Home / 15,286.05-22,923.90-5,423.91

Finding the Fourth Proportional to 15,286.05, 22,923.90 and 5,423.91

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Solution

The fourth proportional to 15,286.05, 22,923.90 and 5,423.91 is: 8,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.05 : 22,923.90 = 5,423.91 : x
  2. Step 2: Convert to fraction form
    15,286.05/22,923.90 = 5,423.91/x
  3. Step 3: Cross multiply
    15,286.05x = 22,923.90 × 5,423.91
  4. Step 4: Simplify right side
    15,286.05x = 124,337,170.45
  5. Step 5: Solve for x
    x = 124,337,170.45/15,286.05
  6. Step 6: Final answer
    x = 8,134.03

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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.