Home / 20,042.14-27,660.22-11,544.54

Finding the Fourth Proportional to 20,042.14, 27,660.22 and 11,544.54

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Solution

The fourth proportional to 20,042.14, 27,660.22 and 11,544.54 is: 15,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.14 : 27,660.22 = 11,544.54 : x
  2. Step 2: Convert to fraction form
    20,042.14/27,660.22 = 11,544.54/x
  3. Step 3: Cross multiply
    20,042.14x = 27,660.22 × 11,544.54
  4. Step 4: Simplify right side
    20,042.14x = 319,324,516.20
  5. Step 5: Solve for x
    x = 319,324,516.20/20,042.14
  6. Step 6: Final answer
    x = 15,932.66

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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.