Home / 15,146.05-22,722.67-4,757.80

Finding the Fourth Proportional to 15,146.05, 22,722.67 and 4,757.80

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Solution

The fourth proportional to 15,146.05, 22,722.67 and 4,757.80 is: 7,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.05 : 22,722.67 = 4,757.80 : x
  2. Step 2: Convert to fraction form
    15,146.05/22,722.67 = 4,757.80/x
  3. Step 3: Cross multiply
    15,146.05x = 22,722.67 × 4,757.80
  4. Step 4: Simplify right side
    15,146.05x = 108,109,919.33
  5. Step 5: Solve for x
    x = 108,109,919.33/15,146.05
  6. Step 6: Final answer
    x = 7,137.83

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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.