Home / 25,517.16-38,271.42-7,049.16

Finding the Fourth Proportional to 25,517.16, 38,271.42 and 7,049.16

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Solution

The fourth proportional to 25,517.16, 38,271.42 and 7,049.16 is: 10,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.16 : 38,271.42 = 7,049.16 : x
  2. Step 2: Convert to fraction form
    25,517.16/38,271.42 = 7,049.16/x
  3. Step 3: Cross multiply
    25,517.16x = 38,271.42 × 7,049.16
  4. Step 4: Simplify right side
    25,517.16x = 269,781,363.01
  5. Step 5: Solve for x
    x = 269,781,363.01/25,517.16
  6. Step 6: Final answer
    x = 10,572.55

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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.