Home / 20,050.91-27,677.17-11,556.43

Finding the Fourth Proportional to 20,050.91, 27,677.17 and 11,556.43

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Solution

The fourth proportional to 20,050.91, 27,677.17 and 11,556.43 is: 15,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.91 : 27,677.17 = 11,556.43 : x
  2. Step 2: Convert to fraction form
    20,050.91/27,677.17 = 11,556.43/x
  3. Step 3: Cross multiply
    20,050.91x = 27,677.17 × 11,556.43
  4. Step 4: Simplify right side
    20,050.91x = 319,849,139.32
  5. Step 5: Solve for x
    x = 319,849,139.32/20,050.91
  6. Step 6: Final answer
    x = 15,951.85

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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.