Home / 15,517.32-23,275.71-3,830.55

Finding the Fourth Proportional to 15,517.32, 23,275.71 and 3,830.55

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Solution

The fourth proportional to 15,517.32, 23,275.71 and 3,830.55 is: 5,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.32 : 23,275.71 = 3,830.55 : x
  2. Step 2: Convert to fraction form
    15,517.32/23,275.71 = 3,830.55/x
  3. Step 3: Cross multiply
    15,517.32x = 23,275.71 × 3,830.55
  4. Step 4: Simplify right side
    15,517.32x = 89,158,770.94
  5. Step 5: Solve for x
    x = 89,158,770.94/15,517.32
  6. Step 6: Final answer
    x = 5,745.76

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1.5x scale

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.