Home / 20,044.68-27,661.08-11,091.96

Finding the Fourth Proportional to 20,044.68, 27,661.08 and 11,091.96

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Solution

The fourth proportional to 20,044.68, 27,661.08 and 11,091.96 is: 15,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.68 : 27,661.08 = 11,091.96 : x
  2. Step 2: Convert to fraction form
    20,044.68/27,661.08 = 11,091.96/x
  3. Step 3: Cross multiply
    20,044.68x = 27,661.08 × 11,091.96
  4. Step 4: Simplify right side
    20,044.68x = 306,815,592.92
  5. Step 5: Solve for x
    x = 306,815,592.92/20,044.68
  6. Step 6: Final answer
    x = 15,306.58

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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.