Home / 16,719.16-25,052.09-8,821.36

Finding the Fourth Proportional to 16,719.16, 25,052.09 and 8,821.36

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Solution

The fourth proportional to 16,719.16, 25,052.09 and 8,821.36 is: 13,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.16 : 25,052.09 = 8,821.36 : x
  2. Step 2: Convert to fraction form
    16,719.16/25,052.09 = 8,821.36/x
  3. Step 3: Cross multiply
    16,719.16x = 25,052.09 × 8,821.36
  4. Step 4: Simplify right side
    16,719.16x = 220,993,350.93
  5. Step 5: Solve for x
    x = 220,993,350.93/16,719.16
  6. Step 6: Final answer
    x = 13,217.97

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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.