Home / 26,979.05-37,231.11-15,042.12

Finding the Fourth Proportional to 26,979.05, 37,231.11 and 15,042.12

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Solution

The fourth proportional to 26,979.05, 37,231.11 and 15,042.12 is: 20,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.05 : 37,231.11 = 15,042.12 : x
  2. Step 2: Convert to fraction form
    26,979.05/37,231.11 = 15,042.12/x
  3. Step 3: Cross multiply
    26,979.05x = 37,231.11 × 15,042.12
  4. Step 4: Simplify right side
    26,979.05x = 560,034,824.35
  5. Step 5: Solve for x
    x = 560,034,824.35/26,979.05
  6. Step 6: Final answer
    x = 20,758.14

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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.