Home / 16,939.44-25,394.04-8,614.80

Finding the Fourth Proportional to 16,939.44, 25,394.04 and 8,614.80

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Solution

The fourth proportional to 16,939.44, 25,394.04 and 8,614.80 is: 12,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.44 : 25,394.04 = 8,614.80 : x
  2. Step 2: Convert to fraction form
    16,939.44/25,394.04 = 8,614.80/x
  3. Step 3: Cross multiply
    16,939.44x = 25,394.04 × 8,614.80
  4. Step 4: Simplify right side
    16,939.44x = 218,764,575.79
  5. Step 5: Solve for x
    x = 218,764,575.79/16,939.44
  6. Step 6: Final answer
    x = 12,914.51

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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.