Verified Answer :

TSO

JK is similar to PQ
KL is similar to QR

Make a proportion

\(\sf{ \frac{JK}{PQ} = \frac{KL}{QR} }\)

Plug in the numbers

\(\sf{ \frac{36}{6} = \frac{24}{QR} }\)

Cross multiply

\(\sf{36\times QR= 6 \times 24}\)

Solve for QR

\(\sf{ QR=4}\)

So your final answer is 

\(\boxed{\bf{4~centimeters}}\)

I pretty sure it would be 4 centimeters.

Because side JK (I find that really funny) is 36 centimeters, while side PQ is 6 centimeters. I multiplied that by 6, to get 36 and divided 24 by 6 which is 4 centimeters. Hope this helped!