Home / 27,201.16-40,814.31-12,414.61

Finding the Fourth Proportional to 27,201.16, 40,814.31 and 12,414.61

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Solution

The fourth proportional to 27,201.16, 40,814.31 and 12,414.61 is: 18,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.16 : 40,814.31 = 12,414.61 : x
  2. Step 2: Convert to fraction form
    27,201.16/40,814.31 = 12,414.61/x
  3. Step 3: Cross multiply
    27,201.16x = 40,814.31 × 12,414.61
  4. Step 4: Simplify right side
    27,201.16x = 506,693,838.64
  5. Step 5: Solve for x
    x = 506,693,838.64/27,201.16
  6. Step 6: Final answer
    x = 18,627.65

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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.