Home / 14,234.46-21,349.20-3,843.78

Finding the Fourth Proportional to 14,234.46, 21,349.20 and 3,843.78

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Solution

The fourth proportional to 14,234.46, 21,349.20 and 3,843.78 is: 5,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.46 : 21,349.20 = 3,843.78 : x
  2. Step 2: Convert to fraction form
    14,234.46/21,349.20 = 3,843.78/x
  3. Step 3: Cross multiply
    14,234.46x = 21,349.20 × 3,843.78
  4. Step 4: Simplify right side
    14,234.46x = 82,061,627.98
  5. Step 5: Solve for x
    x = 82,061,627.98/14,234.46
  6. Step 6: Final answer
    x = 5,765.00

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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.