Home / 26,917.28-40,380.64-11,122.24

Finding the Fourth Proportional to 26,917.28, 40,380.64 and 11,122.24

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Solution

The fourth proportional to 26,917.28, 40,380.64 and 11,122.24 is: 16,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.28 : 40,380.64 = 11,122.24 : x
  2. Step 2: Convert to fraction form
    26,917.28/40,380.64 = 11,122.24/x
  3. Step 3: Cross multiply
    26,917.28x = 40,380.64 × 11,122.24
  4. Step 4: Simplify right side
    26,917.28x = 449,123,169.43
  5. Step 5: Solve for x
    x = 449,123,169.43/26,917.28
  6. Step 6: Final answer
    x = 16,685.31

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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.