Home / 16,823.20-25,198.32-12,196

Finding the Fourth Proportional to 16,823.20, 25,198.32 and 12,196

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Solution

The fourth proportional to 16,823.20, 25,198.32 and 12,196 is: 18,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.20 : 25,198.32 = 12,196 : x
  2. Step 2: Convert to fraction form
    16,823.20/25,198.32 = 12,196/x
  3. Step 3: Cross multiply
    16,823.20x = 25,198.32 × 12,196
  4. Step 4: Simplify right side
    16,823.20x = 307,318,710.72
  5. Step 5: Solve for x
    x = 307,318,710.72/16,823.20
  6. Step 6: Final answer
    x = 18,267.55

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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.