Home / 14,248.13-21,372.19-3,859.88

Finding the Fourth Proportional to 14,248.13, 21,372.19 and 3,859.88

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Solution

The fourth proportional to 14,248.13, 21,372.19 and 3,859.88 is: 5,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.13 : 21,372.19 = 3,859.88 : x
  2. Step 2: Convert to fraction form
    14,248.13/21,372.19 = 3,859.88/x
  3. Step 3: Cross multiply
    14,248.13x = 21,372.19 × 3,859.88
  4. Step 4: Simplify right side
    14,248.13x = 82,493,972.23
  5. Step 5: Solve for x
    x = 82,493,972.23/14,248.13
  6. Step 6: Final answer
    x = 5,789.81

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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.