Home / 26,112.38-39,168.57-15,789.74

Finding the Fourth Proportional to 26,112.38, 39,168.57 and 15,789.74

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Solution

The fourth proportional to 26,112.38, 39,168.57 and 15,789.74 is: 23,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.38 : 39,168.57 = 15,789.74 : x
  2. Step 2: Convert to fraction form
    26,112.38/39,168.57 = 15,789.74/x
  3. Step 3: Cross multiply
    26,112.38x = 39,168.57 × 15,789.74
  4. Step 4: Simplify right side
    26,112.38x = 618,461,536.47
  5. Step 5: Solve for x
    x = 618,461,536.47/26,112.38
  6. Step 6: Final answer
    x = 23,684.61

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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.