Home / 14,269.38-21,404.67-3,881.13

Finding the Fourth Proportional to 14,269.38, 21,404.67 and 3,881.13

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Solution

The fourth proportional to 14,269.38, 21,404.67 and 3,881.13 is: 5,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.38 : 21,404.67 = 3,881.13 : x
  2. Step 2: Convert to fraction form
    14,269.38/21,404.67 = 3,881.13/x
  3. Step 3: Cross multiply
    14,269.38x = 21,404.67 × 3,881.13
  4. Step 4: Simplify right side
    14,269.38x = 83,074,306.88
  5. Step 5: Solve for x
    x = 83,074,306.88/14,269.38
  6. Step 6: Final answer
    x = 5,821.86

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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.