Home / 16,908.75-25,364.49-5,221.97

Finding the Fourth Proportional to 16,908.75, 25,364.49 and 5,221.97

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Solution

The fourth proportional to 16,908.75, 25,364.49 and 5,221.97 is: 7,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.75 : 25,364.49 = 5,221.97 : x
  2. Step 2: Convert to fraction form
    16,908.75/25,364.49 = 5,221.97/x
  3. Step 3: Cross multiply
    16,908.75x = 25,364.49 × 5,221.97
  4. Step 4: Simplify right side
    16,908.75x = 132,452,583.93
  5. Step 5: Solve for x
    x = 132,452,583.93/16,908.75
  6. Step 6: Final answer
    x = 7,833.38

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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.