Home / 16,908.62-25,365.36-5,222.75

Finding the Fourth Proportional to 16,908.62, 25,365.36 and 5,222.75

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Solution

The fourth proportional to 16,908.62, 25,365.36 and 5,222.75 is: 7,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.62 : 25,365.36 = 5,222.75 : x
  2. Step 2: Convert to fraction form
    16,908.62/25,365.36 = 5,222.75/x
  3. Step 3: Cross multiply
    16,908.62x = 25,365.36 × 5,222.75
  4. Step 4: Simplify right side
    16,908.62x = 132,476,933.94
  5. Step 5: Solve for x
    x = 132,476,933.94/16,908.62
  6. Step 6: Final answer
    x = 7,834.88

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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.