Home / 19,198.28-26,469.78-15,854.60

Finding the Fourth Proportional to 19,198.28, 26,469.78 and 15,854.60

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Solution

The fourth proportional to 19,198.28, 26,469.78 and 15,854.60 is: 21,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.28 : 26,469.78 = 15,854.60 : x
  2. Step 2: Convert to fraction form
    19,198.28/26,469.78 = 15,854.60/x
  3. Step 3: Cross multiply
    19,198.28x = 26,469.78 × 15,854.60
  4. Step 4: Simplify right side
    19,198.28x = 419,667,773.99
  5. Step 5: Solve for x
    x = 419,667,773.99/19,198.28
  6. Step 6: Final answer
    x = 21,859.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.