Home / 19,834.38-29,711.88-11,932.53

Finding the Fourth Proportional to 19,834.38, 29,711.88 and 11,932.53

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Solution

The fourth proportional to 19,834.38, 29,711.88 and 11,932.53 is: 17,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.38 : 29,711.88 = 11,932.53 : x
  2. Step 2: Convert to fraction form
    19,834.38/29,711.88 = 11,932.53/x
  3. Step 3: Cross multiply
    19,834.38x = 29,711.88 × 11,932.53
  4. Step 4: Simplify right side
    19,834.38x = 354,537,899.46
  5. Step 5: Solve for x
    x = 354,537,899.46/19,834.38
  6. Step 6: Final answer
    x = 17,874.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.