Home / 15,974.80-22,045.17-9,261.79

Finding the Fourth Proportional to 15,974.80, 22,045.17 and 9,261.79

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Solution

The fourth proportional to 15,974.80, 22,045.17 and 9,261.79 is: 12,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.80 : 22,045.17 = 9,261.79 : x
  2. Step 2: Convert to fraction form
    15,974.80/22,045.17 = 9,261.79/x
  3. Step 3: Cross multiply
    15,974.80x = 22,045.17 × 9,261.79
  4. Step 4: Simplify right side
    15,974.80x = 204,177,735.05
  5. Step 5: Solve for x
    x = 204,177,735.05/15,974.80
  6. Step 6: Final answer
    x = 12,781.24

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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.