Home / 16,121.30-24,181.85-8,772.47

Finding the Fourth Proportional to 16,121.30, 24,181.85 and 8,772.47

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Solution

The fourth proportional to 16,121.30, 24,181.85 and 8,772.47 is: 13,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.30 : 24,181.85 = 8,772.47 : x
  2. Step 2: Convert to fraction form
    16,121.30/24,181.85 = 8,772.47/x
  3. Step 3: Cross multiply
    16,121.30x = 24,181.85 × 8,772.47
  4. Step 4: Simplify right side
    16,121.30x = 212,134,553.67
  5. Step 5: Solve for x
    x = 212,134,553.67/16,121.30
  6. Step 6: Final answer
    x = 13,158.65

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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.