Home / 14,372.87-21,557.68-3,843.99

Finding the Fourth Proportional to 14,372.87, 21,557.68 and 3,843.99

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Solution

The fourth proportional to 14,372.87, 21,557.68 and 3,843.99 is: 5,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.87 : 21,557.68 = 3,843.99 : x
  2. Step 2: Convert to fraction form
    14,372.87/21,557.68 = 3,843.99/x
  3. Step 3: Cross multiply
    14,372.87x = 21,557.68 × 3,843.99
  4. Step 4: Simplify right side
    14,372.87x = 82,867,496.73
  5. Step 5: Solve for x
    x = 82,867,496.73/14,372.87
  6. Step 6: Final answer
    x = 5,765.55

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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.