Home / 20,010.38-27,614.38-10,935.85

Finding the Fourth Proportional to 20,010.38, 27,614.38 and 10,935.85

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Solution

The fourth proportional to 20,010.38, 27,614.38 and 10,935.85 is: 15,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.38 : 27,614.38 = 10,935.85 : x
  2. Step 2: Convert to fraction form
    20,010.38/27,614.38 = 10,935.85/x
  3. Step 3: Cross multiply
    20,010.38x = 27,614.38 × 10,935.85
  4. Step 4: Simplify right side
    20,010.38x = 301,986,717.52
  5. Step 5: Solve for x
    x = 301,986,717.52/20,010.38
  6. Step 6: Final answer
    x = 15,091.50

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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.