Home / 16,815.44-25,229.64-6,434.48

Finding the Fourth Proportional to 16,815.44, 25,229.64 and 6,434.48

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Solution

The fourth proportional to 16,815.44, 25,229.64 and 6,434.48 is: 9,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.44 : 25,229.64 = 6,434.48 : x
  2. Step 2: Convert to fraction form
    16,815.44/25,229.64 = 6,434.48/x
  3. Step 3: Cross multiply
    16,815.44x = 25,229.64 × 6,434.48
  4. Step 4: Simplify right side
    16,815.44x = 162,339,613.99
  5. Step 5: Solve for x
    x = 162,339,613.99/16,815.44
  6. Step 6: Final answer
    x = 9,654.20

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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.