Home / 15,517.25-23,276.35-3,830.47

Finding the Fourth Proportional to 15,517.25, 23,276.35 and 3,830.47

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Solution

The fourth proportional to 15,517.25, 23,276.35 and 3,830.47 is: 5,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.25 : 23,276.35 = 3,830.47 : x
  2. Step 2: Convert to fraction form
    15,517.25/23,276.35 = 3,830.47/x
  3. Step 3: Cross multiply
    15,517.25x = 23,276.35 × 3,830.47
  4. Step 4: Simplify right side
    15,517.25x = 89,159,360.38
  5. Step 5: Solve for x
    x = 89,159,360.38/15,517.25
  6. Step 6: Final answer
    x = 5,745.82

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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.