Home / 38,265.28-57,363.36-13,635.52

Finding the Fourth Proportional to 38,265.28, 57,363.36 and 13,635.52

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Solution

The fourth proportional to 38,265.28, 57,363.36 and 13,635.52 is: 20,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,265.28 : 57,363.36 = 13,635.52 : x
  2. Step 2: Convert to fraction form
    38,265.28/57,363.36 = 13,635.52/x
  3. Step 3: Cross multiply
    38,265.28x = 57,363.36 × 13,635.52
  4. Step 4: Simplify right side
    38,265.28x = 782,179,242.55
  5. Step 5: Solve for x
    x = 782,179,242.55/38,265.28
  6. Step 6: Final answer
    x = 20,440.96

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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.