Home / 18,087.82-27,149.25-8,734.41

Finding the Fourth Proportional to 18,087.82, 27,149.25 and 8,734.41

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Solution

The fourth proportional to 18,087.82, 27,149.25 and 8,734.41 is: 13,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.82 : 27,149.25 = 8,734.41 : x
  2. Step 2: Convert to fraction form
    18,087.82/27,149.25 = 8,734.41/x
  3. Step 3: Cross multiply
    18,087.82x = 27,149.25 × 8,734.41
  4. Step 4: Simplify right side
    18,087.82x = 237,132,612.52
  5. Step 5: Solve for x
    x = 237,132,612.52/18,087.82
  6. Step 6: Final answer
    x = 13,110.07

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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.