Home / 12,766.04-19,149.18-3,882.80

Finding the Fourth Proportional to 12,766.04, 19,149.18 and 3,882.80

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Solution

The fourth proportional to 12,766.04, 19,149.18 and 3,882.80 is: 5,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.04 : 19,149.18 = 3,882.80 : x
  2. Step 2: Convert to fraction form
    12,766.04/19,149.18 = 3,882.80/x
  3. Step 3: Cross multiply
    12,766.04x = 19,149.18 × 3,882.80
  4. Step 4: Simplify right side
    12,766.04x = 74,352,436.10
  5. Step 5: Solve for x
    x = 74,352,436.10/12,766.04
  6. Step 6: Final answer
    x = 5,824.24

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.