Home / 16,656.87-24,997.62-7,891.80

Finding the Fourth Proportional to 16,656.87, 24,997.62 and 7,891.80

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Solution

The fourth proportional to 16,656.87, 24,997.62 and 7,891.80 is: 11,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.87 : 24,997.62 = 7,891.80 : x
  2. Step 2: Convert to fraction form
    16,656.87/24,997.62 = 7,891.80/x
  3. Step 3: Cross multiply
    16,656.87x = 24,997.62 × 7,891.80
  4. Step 4: Simplify right side
    16,656.87x = 197,276,217.52
  5. Step 5: Solve for x
    x = 197,276,217.52/16,656.87
  6. Step 6: Final answer
    x = 11,843.53

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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.