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Finding the Fourth Proportional to 16,966.92, 25,458.48 and 8,196.96

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Solution

The fourth proportional to 16,966.92, 25,458.48 and 8,196.96 is: 12,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.92 : 25,458.48 = 8,196.96 : x
  2. Step 2: Convert to fraction form
    16,966.92/25,458.48 = 8,196.96/x
  3. Step 3: Cross multiply
    16,966.92x = 25,458.48 × 8,196.96
  4. Step 4: Simplify right side
    16,966.92x = 208,682,142.22
  5. Step 5: Solve for x
    x = 208,682,142.22/16,966.92
  6. Step 6: Final answer
    x = 12,299.35

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1.5x scale

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.