Home / 20,044.02-27,660.78-11,091.90

Finding the Fourth Proportional to 20,044.02, 27,660.78 and 11,091.90

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Solution

The fourth proportional to 20,044.02, 27,660.78 and 11,091.90 is: 15,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.02 : 27,660.78 = 11,091.90 : x
  2. Step 2: Convert to fraction form
    20,044.02/27,660.78 = 11,091.90/x
  3. Step 3: Cross multiply
    20,044.02x = 27,660.78 × 11,091.90
  4. Step 4: Simplify right side
    20,044.02x = 306,810,605.68
  5. Step 5: Solve for x
    x = 306,810,605.68/20,044.02
  6. Step 6: Final answer
    x = 15,306.84

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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.