Home / 12,321.14-18,481.71-4,001.16

Finding the Fourth Proportional to 12,321.14, 18,481.71 and 4,001.16

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Solution

The fourth proportional to 12,321.14, 18,481.71 and 4,001.16 is: 6,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.14 : 18,481.71 = 4,001.16 : x
  2. Step 2: Convert to fraction form
    12,321.14/18,481.71 = 4,001.16/x
  3. Step 3: Cross multiply
    12,321.14x = 18,481.71 × 4,001.16
  4. Step 4: Simplify right side
    12,321.14x = 73,948,278.78
  5. Step 5: Solve for x
    x = 73,948,278.78/12,321.14
  6. Step 6: Final answer
    x = 6,001.74

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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.