Home / 32,691.43-45,112.85-18,543.97

Finding the Fourth Proportional to 32,691.43, 45,112.85 and 18,543.97

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Solution

The fourth proportional to 32,691.43, 45,112.85 and 18,543.97 is: 25,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,691.43 : 45,112.85 = 18,543.97 : x
  2. Step 2: Convert to fraction form
    32,691.43/45,112.85 = 18,543.97/x
  3. Step 3: Cross multiply
    32,691.43x = 45,112.85 × 18,543.97
  4. Step 4: Simplify right side
    32,691.43x = 836,571,244.29
  5. Step 5: Solve for x
    x = 836,571,244.29/32,691.43
  6. Step 6: Final answer
    x = 25,589.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.