Home / 15,046.62-22,571.19-5,181.90

Finding the Fourth Proportional to 15,046.62, 22,571.19 and 5,181.90

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Solution

The fourth proportional to 15,046.62, 22,571.19 and 5,181.90 is: 7,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.62 : 22,571.19 = 5,181.90 : x
  2. Step 2: Convert to fraction form
    15,046.62/22,571.19 = 5,181.90/x
  3. Step 3: Cross multiply
    15,046.62x = 22,571.19 × 5,181.90
  4. Step 4: Simplify right side
    15,046.62x = 116,961,649.46
  5. Step 5: Solve for x
    x = 116,961,649.46/15,046.62
  6. Step 6: Final answer
    x = 7,773.28

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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.