Liahalejandra14go Liahalejandra14go Math Answered IV. Put a check () on the blank if each given ratio shows proportion and cross (X) if it doesnot.16.) 8:2 = 4:117.) 7:1 = 5:318.) 6:20 = 12:4019.) 15:5 = 5:1520.) 3:9 = 9:27