Home / 16,886.20-25,329.30-13,605.70

Finding the Fourth Proportional to 16,886.20, 25,329.30 and 13,605.70

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Solution

The fourth proportional to 16,886.20, 25,329.30 and 13,605.70 is: 20,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.20 : 25,329.30 = 13,605.70 : x
  2. Step 2: Convert to fraction form
    16,886.20/25,329.30 = 13,605.70/x
  3. Step 3: Cross multiply
    16,886.20x = 25,329.30 × 13,605.70
  4. Step 4: Simplify right side
    16,886.20x = 344,622,857.01
  5. Step 5: Solve for x
    x = 344,622,857.01/16,886.20
  6. Step 6: Final answer
    x = 20,408.55

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Similar ratio
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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.