Home / 18,472.38-27,705.24-5,321.52

Finding the Fourth Proportional to 18,472.38, 27,705.24 and 5,321.52

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Solution

The fourth proportional to 18,472.38, 27,705.24 and 5,321.52 is: 7,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.38 : 27,705.24 = 5,321.52 : x
  2. Step 2: Convert to fraction form
    18,472.38/27,705.24 = 5,321.52/x
  3. Step 3: Cross multiply
    18,472.38x = 27,705.24 × 5,321.52
  4. Step 4: Simplify right side
    18,472.38x = 147,433,988.76
  5. Step 5: Solve for x
    x = 147,433,988.76/18,472.38
  6. Step 6: Final answer
    x = 7,981.32

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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.