Home / 13,372.52-20,057.18-3,512.57

Finding the Fourth Proportional to 13,372.52, 20,057.18 and 3,512.57

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Solution

The fourth proportional to 13,372.52, 20,057.18 and 3,512.57 is: 5,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.52 : 20,057.18 = 3,512.57 : x
  2. Step 2: Convert to fraction form
    13,372.52/20,057.18 = 3,512.57/x
  3. Step 3: Cross multiply
    13,372.52x = 20,057.18 × 3,512.57
  4. Step 4: Simplify right side
    13,372.52x = 70,452,130.90
  5. Step 5: Solve for x
    x = 70,452,130.90/13,372.52
  6. Step 6: Final answer
    x = 5,268.43

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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.