Home / 17,148.40-25,724.50-5,458.88

Finding the Fourth Proportional to 17,148.40, 25,724.50 and 5,458.88

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Solution

The fourth proportional to 17,148.40, 25,724.50 and 5,458.88 is: 8,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.40 : 25,724.50 = 5,458.88 : x
  2. Step 2: Convert to fraction form
    17,148.40/25,724.50 = 5,458.88/x
  3. Step 3: Cross multiply
    17,148.40x = 25,724.50 × 5,458.88
  4. Step 4: Simplify right side
    17,148.40x = 140,426,958.56
  5. Step 5: Solve for x
    x = 140,426,958.56/17,148.40
  6. Step 6: Final answer
    x = 8,188.92

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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.