Home / 20,624.71-28,462.17-11,193.27

Finding the Fourth Proportional to 20,624.71, 28,462.17 and 11,193.27

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Solution

The fourth proportional to 20,624.71, 28,462.17 and 11,193.27 is: 15,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.71 : 28,462.17 = 11,193.27 : x
  2. Step 2: Convert to fraction form
    20,624.71/28,462.17 = 11,193.27/x
  3. Step 3: Cross multiply
    20,624.71x = 28,462.17 × 11,193.27
  4. Step 4: Simplify right side
    20,624.71x = 318,584,753.60
  5. Step 5: Solve for x
    x = 318,584,753.60/20,624.71
  6. Step 6: Final answer
    x = 15,446.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.