Home / 26,531.28-36,627.12-18,078.12

Finding the Fourth Proportional to 26,531.28, 36,627.12 and 18,078.12

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Solution

The fourth proportional to 26,531.28, 36,627.12 and 18,078.12 is: 24,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.28 : 36,627.12 = 18,078.12 : x
  2. Step 2: Convert to fraction form
    26,531.28/36,627.12 = 18,078.12/x
  3. Step 3: Cross multiply
    26,531.28x = 36,627.12 × 18,078.12
  4. Step 4: Simplify right side
    26,531.28x = 662,149,470.61
  5. Step 5: Solve for x
    x = 662,149,470.61/26,531.28
  6. Step 6: Final answer
    x = 24,957.31

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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.