Home / 14,505.12-21,757.14-4,116.78

Finding the Fourth Proportional to 14,505.12, 21,757.14 and 4,116.78

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Solution

The fourth proportional to 14,505.12, 21,757.14 and 4,116.78 is: 6,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.12 : 21,757.14 = 4,116.78 : x
  2. Step 2: Convert to fraction form
    14,505.12/21,757.14 = 4,116.78/x
  3. Step 3: Cross multiply
    14,505.12x = 21,757.14 × 4,116.78
  4. Step 4: Simplify right side
    14,505.12x = 89,569,358.81
  5. Step 5: Solve for x
    x = 89,569,358.81/14,505.12
  6. Step 6: Final answer
    x = 6,175.02

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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.