One patterned blue fabric sells for 15$ every 2 yards and another sells for 37.50 every 5 yards do these have the same unit rates

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

i belive the biggest ratio would be 18: correct me if im wrong