Home / 16,198.28-22,191.73-15,591.56

Finding the Fourth Proportional to 16,198.28, 22,191.73 and 15,591.56

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Solution

The fourth proportional to 16,198.28, 22,191.73 and 15,591.56 is: 21,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,198.28 : 22,191.73 = 15,591.56 : x
  2. Step 2: Convert to fraction form
    16,198.28/22,191.73 = 15,591.56/x
  3. Step 3: Cross multiply
    16,198.28x = 22,191.73 × 15,591.56
  4. Step 4: Simplify right side
    16,198.28x = 346,003,689.80
  5. Step 5: Solve for x
    x = 346,003,689.80/16,198.28
  6. Step 6: Final answer
    x = 21,360.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.