Home / 16,371.78-24,562.20-6,517.98

Finding the Fourth Proportional to 16,371.78, 24,562.20 and 6,517.98

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Solution

The fourth proportional to 16,371.78, 24,562.20 and 6,517.98 is: 9,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,371.78 : 24,562.20 = 6,517.98 : x
  2. Step 2: Convert to fraction form
    16,371.78/24,562.20 = 6,517.98/x
  3. Step 3: Cross multiply
    16,371.78x = 24,562.20 × 6,517.98
  4. Step 4: Simplify right side
    16,371.78x = 160,095,928.36
  5. Step 5: Solve for x
    x = 160,095,928.36/16,371.78
  6. Step 6: Final answer
    x = 9,778.77

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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.