Home / 14,115.52-21,174.18-3,727

Finding the Fourth Proportional to 14,115.52, 21,174.18 and 3,727

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Solution

The fourth proportional to 14,115.52, 21,174.18 and 3,727 is: 5,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.52 : 21,174.18 = 3,727 : x
  2. Step 2: Convert to fraction form
    14,115.52/21,174.18 = 3,727/x
  3. Step 3: Cross multiply
    14,115.52x = 21,174.18 × 3,727
  4. Step 4: Simplify right side
    14,115.52x = 78,916,168.86
  5. Step 5: Solve for x
    x = 78,916,168.86/14,115.52
  6. Step 6: Final answer
    x = 5,590.74

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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.