Home / 20,253.86-27,950.25-11,301.38

Finding the Fourth Proportional to 20,253.86, 27,950.25 and 11,301.38

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Solution

The fourth proportional to 20,253.86, 27,950.25 and 11,301.38 is: 15,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.86 : 27,950.25 = 11,301.38 : x
  2. Step 2: Convert to fraction form
    20,253.86/27,950.25 = 11,301.38/x
  3. Step 3: Cross multiply
    20,253.86x = 27,950.25 × 11,301.38
  4. Step 4: Simplify right side
    20,253.86x = 315,876,396.35
  5. Step 5: Solve for x
    x = 315,876,396.35/20,253.86
  6. Step 6: Final answer
    x = 15,595.86

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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.