Home / 16,871.45-25,301.10-8,548.70

Finding the Fourth Proportional to 16,871.45, 25,301.10 and 8,548.70

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Solution

The fourth proportional to 16,871.45, 25,301.10 and 8,548.70 is: 12,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.45 : 25,301.10 = 8,548.70 : x
  2. Step 2: Convert to fraction form
    16,871.45/25,301.10 = 8,548.70/x
  3. Step 3: Cross multiply
    16,871.45x = 25,301.10 × 8,548.70
  4. Step 4: Simplify right side
    16,871.45x = 216,291,513.57
  5. Step 5: Solve for x
    x = 216,291,513.57/16,871.45
  6. Step 6: Final answer
    x = 12,819.97

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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.