Home / 13,512.51-20,268.77-3,652.04

Finding the Fourth Proportional to 13,512.51, 20,268.77 and 3,652.04

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Solution

The fourth proportional to 13,512.51, 20,268.77 and 3,652.04 is: 5,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.51 : 20,268.77 = 3,652.04 : x
  2. Step 2: Convert to fraction form
    13,512.51/20,268.77 = 3,652.04/x
  3. Step 3: Cross multiply
    13,512.51x = 20,268.77 × 3,652.04
  4. Step 4: Simplify right side
    13,512.51x = 74,022,391.20
  5. Step 5: Solve for x
    x = 74,022,391.20/13,512.51
  6. Step 6: Final answer
    x = 5,478.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.