Home / 16,823.88-25,235.88-5,731.80

Finding the Fourth Proportional to 16,823.88, 25,235.88 and 5,731.80

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Solution

The fourth proportional to 16,823.88, 25,235.88 and 5,731.80 is: 8,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.88 : 25,235.88 = 5,731.80 : x
  2. Step 2: Convert to fraction form
    16,823.88/25,235.88 = 5,731.80/x
  3. Step 3: Cross multiply
    16,823.88x = 25,235.88 × 5,731.80
  4. Step 4: Simplify right side
    16,823.88x = 144,647,016.98
  5. Step 5: Solve for x
    x = 144,647,016.98/16,823.88
  6. Step 6: Final answer
    x = 8,597.72

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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.