Home / 22,553.13-31,123.49-13,598.85

Finding the Fourth Proportional to 22,553.13, 31,123.49 and 13,598.85

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Solution

The fourth proportional to 22,553.13, 31,123.49 and 13,598.85 is: 18,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,553.13 : 31,123.49 = 13,598.85 : x
  2. Step 2: Convert to fraction form
    22,553.13/31,123.49 = 13,598.85/x
  3. Step 3: Cross multiply
    22,553.13x = 31,123.49 × 13,598.85
  4. Step 4: Simplify right side
    22,553.13x = 423,243,603.99
  5. Step 5: Solve for x
    x = 423,243,603.99/22,553.13
  6. Step 6: Final answer
    x = 18,766.51

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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.