Home / 22,658.40-31,266-13,227.84

Finding the Fourth Proportional to 22,658.40, 31,266 and 13,227.84

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Solution

The fourth proportional to 22,658.40, 31,266 and 13,227.84 is: 18,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.40 : 31,266 = 13,227.84 : x
  2. Step 2: Convert to fraction form
    22,658.40/31,266 = 13,227.84/x
  3. Step 3: Cross multiply
    22,658.40x = 31,266 × 13,227.84
  4. Step 4: Simplify right side
    22,658.40x = 413,581,645.44
  5. Step 5: Solve for x
    x = 413,581,645.44/22,658.40
  6. Step 6: Final answer
    x = 18,252.91

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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.