Home / 25,702.25-38,552.96-8,171.82

Finding the Fourth Proportional to 25,702.25, 38,552.96 and 8,171.82

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Solution

The fourth proportional to 25,702.25, 38,552.96 and 8,171.82 is: 12,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.25 : 38,552.96 = 8,171.82 : x
  2. Step 2: Convert to fraction form
    25,702.25/38,552.96 = 8,171.82/x
  3. Step 3: Cross multiply
    25,702.25x = 38,552.96 × 8,171.82
  4. Step 4: Simplify right side
    25,702.25x = 315,047,870.02
  5. Step 5: Solve for x
    x = 315,047,870.02/25,702.25
  6. Step 6: Final answer
    x = 12,257.60

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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.