Home / 16,822.80-25,231.32-5,576.76

Finding the Fourth Proportional to 16,822.80, 25,231.32 and 5,576.76

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Solution

The fourth proportional to 16,822.80, 25,231.32 and 5,576.76 is: 8,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.80 : 25,231.32 = 5,576.76 : x
  2. Step 2: Convert to fraction form
    16,822.80/25,231.32 = 5,576.76/x
  3. Step 3: Cross multiply
    16,822.80x = 25,231.32 × 5,576.76
  4. Step 4: Simplify right side
    16,822.80x = 140,709,016.12
  5. Step 5: Solve for x
    x = 140,709,016.12/16,822.80
  6. Step 6: Final answer
    x = 8,364.19

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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.