Home / 16,197.28-22,190.36-15,590.56

Finding the Fourth Proportional to 16,197.28, 22,190.36 and 15,590.56

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Solution

The fourth proportional to 16,197.28, 22,190.36 and 15,590.56 is: 21,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,197.28 : 22,190.36 = 15,590.56 : x
  2. Step 2: Convert to fraction form
    16,197.28/22,190.36 = 15,590.56/x
  3. Step 3: Cross multiply
    16,197.28x = 22,190.36 × 15,590.56
  4. Step 4: Simplify right side
    16,197.28x = 345,960,139.00
  5. Step 5: Solve for x
    x = 345,960,139.00/16,197.28
  6. Step 6: Final answer
    x = 21,359.15

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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.