Home / 16,771.68-25,145.50-7,882.04

Finding the Fourth Proportional to 16,771.68, 25,145.50 and 7,882.04

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Solution

The fourth proportional to 16,771.68, 25,145.50 and 7,882.04 is: 11,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.68 : 25,145.50 = 7,882.04 : x
  2. Step 2: Convert to fraction form
    16,771.68/25,145.50 = 7,882.04/x
  3. Step 3: Cross multiply
    16,771.68x = 25,145.50 × 7,882.04
  4. Step 4: Simplify right side
    16,771.68x = 198,197,836.82
  5. Step 5: Solve for x
    x = 198,197,836.82/16,771.68
  6. Step 6: Final answer
    x = 11,817.41

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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.