Home / 22,616.20-31,205.46-13,183.48

Finding the Fourth Proportional to 22,616.20, 31,205.46 and 13,183.48

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Solution

The fourth proportional to 22,616.20, 31,205.46 and 13,183.48 is: 18,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.20 : 31,205.46 = 13,183.48 : x
  2. Step 2: Convert to fraction form
    22,616.20/31,205.46 = 13,183.48/x
  3. Step 3: Cross multiply
    22,616.20x = 31,205.46 × 13,183.48
  4. Step 4: Simplify right side
    22,616.20x = 411,396,557.80
  5. Step 5: Solve for x
    x = 411,396,557.80/22,616.20
  6. Step 6: Final answer
    x = 18,190.35

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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.