Home / 15,517.08-23,257.38-7,179.48

Finding the Fourth Proportional to 15,517.08, 23,257.38 and 7,179.48

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Solution

The fourth proportional to 15,517.08, 23,257.38 and 7,179.48 is: 10,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.08 : 23,257.38 = 7,179.48 : x
  2. Step 2: Convert to fraction form
    15,517.08/23,257.38 = 7,179.48/x
  3. Step 3: Cross multiply
    15,517.08x = 23,257.38 × 7,179.48
  4. Step 4: Simplify right side
    15,517.08x = 166,975,894.56
  5. Step 5: Solve for x
    x = 166,975,894.56/15,517.08
  6. Step 6: Final answer
    x = 10,760.78

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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.