Home / 22,624.12-31,221.47-12,553.23

Finding the Fourth Proportional to 22,624.12, 31,221.47 and 12,553.23

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Solution

The fourth proportional to 22,624.12, 31,221.47 and 12,553.23 is: 17,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,624.12 : 31,221.47 = 12,553.23 : x
  2. Step 2: Convert to fraction form
    22,624.12/31,221.47 = 12,553.23/x
  3. Step 3: Cross multiply
    22,624.12x = 31,221.47 × 12,553.23
  4. Step 4: Simplify right side
    22,624.12x = 391,930,293.85
  5. Step 5: Solve for x
    x = 391,930,293.85/22,624.12
  6. Step 6: Final answer
    x = 17,323.56

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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.