Home / 20,793.41-28,694.92-11,233.30

Finding the Fourth Proportional to 20,793.41, 28,694.92 and 11,233.30

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Solution

The fourth proportional to 20,793.41, 28,694.92 and 11,233.30 is: 15,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.41 : 28,694.92 = 11,233.30 : x
  2. Step 2: Convert to fraction form
    20,793.41/28,694.92 = 11,233.30/x
  3. Step 3: Cross multiply
    20,793.41x = 28,694.92 × 11,233.30
  4. Step 4: Simplify right side
    20,793.41x = 322,338,644.84
  5. Step 5: Solve for x
    x = 322,338,644.84/20,793.41
  6. Step 6: Final answer
    x = 15,501.96

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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.