Home / 27,166.38-40,755.69-9,636.18

Finding the Fourth Proportional to 27,166.38, 40,755.69 and 9,636.18

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Solution

The fourth proportional to 27,166.38, 40,755.69 and 9,636.18 is: 14,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.38 : 40,755.69 = 9,636.18 : x
  2. Step 2: Convert to fraction form
    27,166.38/40,755.69 = 9,636.18/x
  3. Step 3: Cross multiply
    27,166.38x = 40,755.69 × 9,636.18
  4. Step 4: Simplify right side
    27,166.38x = 392,729,164.86
  5. Step 5: Solve for x
    x = 392,729,164.86/27,166.38
  6. Step 6: Final answer
    x = 14,456.44

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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.