Home / 18,327.12-27,472.14-7,229.52

Finding the Fourth Proportional to 18,327.12, 27,472.14 and 7,229.52

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Solution

The fourth proportional to 18,327.12, 27,472.14 and 7,229.52 is: 10,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.12 : 27,472.14 = 7,229.52 : x
  2. Step 2: Convert to fraction form
    18,327.12/27,472.14 = 7,229.52/x
  3. Step 3: Cross multiply
    18,327.12x = 27,472.14 × 7,229.52
  4. Step 4: Simplify right side
    18,327.12x = 198,610,385.57
  5. Step 5: Solve for x
    x = 198,610,385.57/18,327.12
  6. Step 6: Final answer
    x = 10,836.97

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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.