Home / 25,724.80-38,562.56-8,184.96

Finding the Fourth Proportional to 25,724.80, 38,562.56 and 8,184.96

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Solution

The fourth proportional to 25,724.80, 38,562.56 and 8,184.96 is: 12,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.80 : 38,562.56 = 8,184.96 : x
  2. Step 2: Convert to fraction form
    25,724.80/38,562.56 = 8,184.96/x
  3. Step 3: Cross multiply
    25,724.80x = 38,562.56 × 8,184.96
  4. Step 4: Simplify right side
    25,724.80x = 315,633,011.10
  5. Step 5: Solve for x
    x = 315,633,011.10/25,724.80
  6. Step 6: Final answer
    x = 12,269.60

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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.