Home / 16,742.49-25,118.49-13,651.73

Finding the Fourth Proportional to 16,742.49, 25,118.49 and 13,651.73

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Solution

The fourth proportional to 16,742.49, 25,118.49 and 13,651.73 is: 20,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.49 : 25,118.49 = 13,651.73 : x
  2. Step 2: Convert to fraction form
    16,742.49/25,118.49 = 13,651.73/x
  3. Step 3: Cross multiply
    16,742.49x = 25,118.49 × 13,651.73
  4. Step 4: Simplify right side
    16,742.49x = 342,910,843.49
  5. Step 5: Solve for x
    x = 342,910,843.49/16,742.49
  6. Step 6: Final answer
    x = 20,481.47

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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.