Home / 16,883.20-25,316.28-7,995.88

Finding the Fourth Proportional to 16,883.20, 25,316.28 and 7,995.88

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Solution

The fourth proportional to 16,883.20, 25,316.28 and 7,995.88 is: 11,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,883.20 : 25,316.28 = 7,995.88 : x
  2. Step 2: Convert to fraction form
    16,883.20/25,316.28 = 7,995.88/x
  3. Step 3: Cross multiply
    16,883.20x = 25,316.28 × 7,995.88
  4. Step 4: Simplify right side
    16,883.20x = 202,425,936.93
  5. Step 5: Solve for x
    x = 202,425,936.93/16,883.20
  6. Step 6: Final answer
    x = 11,989.78

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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.