Home / 14,249.13-21,374.30-3,860.87

Finding the Fourth Proportional to 14,249.13, 21,374.30 and 3,860.87

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Solution

The fourth proportional to 14,249.13, 21,374.30 and 3,860.87 is: 5,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.13 : 21,374.30 = 3,860.87 : x
  2. Step 2: Convert to fraction form
    14,249.13/21,374.30 = 3,860.87/x
  3. Step 3: Cross multiply
    14,249.13x = 21,374.30 × 3,860.87
  4. Step 4: Simplify right side
    14,249.13x = 82,523,393.64
  5. Step 5: Solve for x
    x = 82,523,393.64/14,249.13
  6. Step 6: Final answer
    x = 5,791.47

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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.