Home / 25,591.62-38,387.43-9,998.31

Finding the Fourth Proportional to 25,591.62, 38,387.43 and 9,998.31

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Solution

The fourth proportional to 25,591.62, 38,387.43 and 9,998.31 is: 14,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591.62 : 38,387.43 = 9,998.31 : x
  2. Step 2: Convert to fraction form
    25,591.62/38,387.43 = 9,998.31/x
  3. Step 3: Cross multiply
    25,591.62x = 38,387.43 × 9,998.31
  4. Step 4: Simplify right side
    25,591.62x = 383,809,425.24
  5. Step 5: Solve for x
    x = 383,809,425.24/25,591.62
  6. Step 6: Final answer
    x = 14,997.47

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Half scale
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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.