Home / 17,103.20-25,657.50-7,242.54

Finding the Fourth Proportional to 17,103.20, 25,657.50 and 7,242.54

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Solution

The fourth proportional to 17,103.20, 25,657.50 and 7,242.54 is: 10,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,103.20 : 25,657.50 = 7,242.54 : x
  2. Step 2: Convert to fraction form
    17,103.20/25,657.50 = 7,242.54/x
  3. Step 3: Cross multiply
    17,103.20x = 25,657.50 × 7,242.54
  4. Step 4: Simplify right side
    17,103.20x = 185,825,470.05
  5. Step 5: Solve for x
    x = 185,825,470.05/17,103.20
  6. Step 6: Final answer
    x = 10,864.95

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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.