Home / 22,625.55-31,221.18-12,553.83

Finding the Fourth Proportional to 22,625.55, 31,221.18 and 12,553.83

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Solution

The fourth proportional to 22,625.55, 31,221.18 and 12,553.83 is: 17,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.55 : 31,221.18 = 12,553.83 : x
  2. Step 2: Convert to fraction form
    22,625.55/31,221.18 = 12,553.83/x
  3. Step 3: Cross multiply
    22,625.55x = 31,221.18 × 12,553.83
  4. Step 4: Simplify right side
    22,625.55x = 391,945,386.12
  5. Step 5: Solve for x
    x = 391,945,386.12/22,625.55
  6. Step 6: Final answer
    x = 17,323.13

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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.