Home / 16,480.54-22,744.55-9,311.78

Finding the Fourth Proportional to 16,480.54, 22,744.55 and 9,311.78

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Solution

The fourth proportional to 16,480.54, 22,744.55 and 9,311.78 is: 12,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.54 : 22,744.55 = 9,311.78 : x
  2. Step 2: Convert to fraction form
    16,480.54/22,744.55 = 9,311.78/x
  3. Step 3: Cross multiply
    16,480.54x = 22,744.55 × 9,311.78
  4. Step 4: Simplify right side
    16,480.54x = 211,792,245.80
  5. Step 5: Solve for x
    x = 211,792,245.80/16,480.54
  6. Step 6: Final answer
    x = 12,851.05

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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.