Home / 15,414.62-23,121.66-4,321.14

Finding the Fourth Proportional to 15,414.62, 23,121.66 and 4,321.14

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Solution

The fourth proportional to 15,414.62, 23,121.66 and 4,321.14 is: 6,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.62 : 23,121.66 = 4,321.14 : x
  2. Step 2: Convert to fraction form
    15,414.62/23,121.66 = 4,321.14/x
  3. Step 3: Cross multiply
    15,414.62x = 23,121.66 × 4,321.14
  4. Step 4: Simplify right side
    15,414.62x = 99,911,929.89
  5. Step 5: Solve for x
    x = 99,911,929.89/15,414.62
  6. Step 6: Final answer
    x = 6,481.63

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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.