Home / 15,908.86-23,863.20-5,520.58

Finding the Fourth Proportional to 15,908.86, 23,863.20 and 5,520.58

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Solution

The fourth proportional to 15,908.86, 23,863.20 and 5,520.58 is: 8,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.86 : 23,863.20 = 5,520.58 : x
  2. Step 2: Convert to fraction form
    15,908.86/23,863.20 = 5,520.58/x
  3. Step 3: Cross multiply
    15,908.86x = 23,863.20 × 5,520.58
  4. Step 4: Simplify right side
    15,908.86x = 131,738,704.66
  5. Step 5: Solve for x
    x = 131,738,704.66/15,908.86
  6. Step 6: Final answer
    x = 8,280.84

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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.