Home / 14,115.62-21,174.78-5,348.18

Finding the Fourth Proportional to 14,115.62, 21,174.78 and 5,348.18

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Solution

The fourth proportional to 14,115.62, 21,174.78 and 5,348.18 is: 8,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.62 : 21,174.78 = 5,348.18 : x
  2. Step 2: Convert to fraction form
    14,115.62/21,174.78 = 5,348.18/x
  3. Step 3: Cross multiply
    14,115.62x = 21,174.78 × 5,348.18
  4. Step 4: Simplify right side
    14,115.62x = 113,246,534.90
  5. Step 5: Solve for x
    x = 113,246,534.90/14,115.62
  6. Step 6: Final answer
    x = 8,022.78

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1.5x scale

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.