Home / 12,760.92-19,140.33-8,067.24

Finding the Fourth Proportional to 12,760.92, 19,140.33 and 8,067.24

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Solution

The fourth proportional to 12,760.92, 19,140.33 and 8,067.24 is: 12,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.92 : 19,140.33 = 8,067.24 : x
  2. Step 2: Convert to fraction form
    12,760.92/19,140.33 = 8,067.24/x
  3. Step 3: Cross multiply
    12,760.92x = 19,140.33 × 8,067.24
  4. Step 4: Simplify right side
    12,760.92x = 154,409,635.79
  5. Step 5: Solve for x
    x = 154,409,635.79/12,760.92
  6. Step 6: Final answer
    x = 12,100.20

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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.