Home / 17,217.73-25,821.45-6,121.88

Finding the Fourth Proportional to 17,217.73, 25,821.45 and 6,121.88

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Solution

The fourth proportional to 17,217.73, 25,821.45 and 6,121.88 is: 9,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.73 : 25,821.45 = 6,121.88 : x
  2. Step 2: Convert to fraction form
    17,217.73/25,821.45 = 6,121.88/x
  3. Step 3: Cross multiply
    17,217.73x = 25,821.45 × 6,121.88
  4. Step 4: Simplify right side
    17,217.73x = 158,075,786.05
  5. Step 5: Solve for x
    x = 158,075,786.05/17,217.73
  6. Step 6: Final answer
    x = 9,180.99

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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.