Home / 14,149.98-21,224.97-3,762.78

Finding the Fourth Proportional to 14,149.98, 21,224.97 and 3,762.78

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Solution

The fourth proportional to 14,149.98, 21,224.97 and 3,762.78 is: 5,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.98 : 21,224.97 = 3,762.78 : x
  2. Step 2: Convert to fraction form
    14,149.98/21,224.97 = 3,762.78/x
  3. Step 3: Cross multiply
    14,149.98x = 21,224.97 × 3,762.78
  4. Step 4: Simplify right side
    14,149.98x = 79,864,892.62
  5. Step 5: Solve for x
    x = 79,864,892.62/14,149.98
  6. Step 6: Final answer
    x = 5,644.17

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Double scale
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Similar ratio
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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.