Home / 12,949.44-19,407.86-5,545.14

Finding the Fourth Proportional to 12,949.44, 19,407.86 and 5,545.14

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Solution

The fourth proportional to 12,949.44, 19,407.86 and 5,545.14 is: 8,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.44 : 19,407.86 = 5,545.14 : x
  2. Step 2: Convert to fraction form
    12,949.44/19,407.86 = 5,545.14/x
  3. Step 3: Cross multiply
    12,949.44x = 19,407.86 × 5,545.14
  4. Step 4: Simplify right side
    12,949.44x = 107,619,300.80
  5. Step 5: Solve for x
    x = 107,619,300.80/12,949.44
  6. Step 6: Final answer
    x = 8,310.73

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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.