Home / 14,115.28-21,167.52-6,714.04

Finding the Fourth Proportional to 14,115.28, 21,167.52 and 6,714.04

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Solution

The fourth proportional to 14,115.28, 21,167.52 and 6,714.04 is: 10,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.28 : 21,167.52 = 6,714.04 : x
  2. Step 2: Convert to fraction form
    14,115.28/21,167.52 = 6,714.04/x
  3. Step 3: Cross multiply
    14,115.28x = 21,167.52 × 6,714.04
  4. Step 4: Simplify right side
    14,115.28x = 142,119,575.98
  5. Step 5: Solve for x
    x = 142,119,575.98/14,115.28
  6. Step 6: Final answer
    x = 10,068.49

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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.