Home / 15,520.32-23,280.21-3,833.55

Finding the Fourth Proportional to 15,520.32, 23,280.21 and 3,833.55

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Solution

The fourth proportional to 15,520.32, 23,280.21 and 3,833.55 is: 5,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.32 : 23,280.21 = 3,833.55 : x
  2. Step 2: Convert to fraction form
    15,520.32/23,280.21 = 3,833.55/x
  3. Step 3: Cross multiply
    15,520.32x = 23,280.21 × 3,833.55
  4. Step 4: Simplify right side
    15,520.32x = 89,245,849.05
  5. Step 5: Solve for x
    x = 89,245,849.05/15,520.32
  6. Step 6: Final answer
    x = 5,750.26

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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.