Home / 27,486.38-41,227.49-8,765.66

Finding the Fourth Proportional to 27,486.38, 41,227.49 and 8,765.66

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Solution

The fourth proportional to 27,486.38, 41,227.49 and 8,765.66 is: 13,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.38 : 41,227.49 = 8,765.66 : x
  2. Step 2: Convert to fraction form
    27,486.38/41,227.49 = 8,765.66/x
  3. Step 3: Cross multiply
    27,486.38x = 41,227.49 × 8,765.66
  4. Step 4: Simplify right side
    27,486.38x = 361,386,159.99
  5. Step 5: Solve for x
    x = 361,386,159.99/27,486.38
  6. Step 6: Final answer
    x = 13,147.83

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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.