Home / 27,131.38-37,442.16-15,195.04

Finding the Fourth Proportional to 27,131.38, 37,442.16 and 15,195.04

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Solution

The fourth proportional to 27,131.38, 37,442.16 and 15,195.04 is: 20,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.38 : 37,442.16 = 15,195.04 : x
  2. Step 2: Convert to fraction form
    27,131.38/37,442.16 = 15,195.04/x
  3. Step 3: Cross multiply
    27,131.38x = 37,442.16 × 15,195.04
  4. Step 4: Simplify right side
    27,131.38x = 568,935,118.89
  5. Step 5: Solve for x
    x = 568,935,118.89/27,131.38
  6. Step 6: Final answer
    x = 20,969.63

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Double scale
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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.