Home / 15,144.06-22,716.30-4,755.81

Finding the Fourth Proportional to 15,144.06, 22,716.30 and 4,755.81

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Solution

The fourth proportional to 15,144.06, 22,716.30 and 4,755.81 is: 7,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.06 : 22,716.30 = 4,755.81 : x
  2. Step 2: Convert to fraction form
    15,144.06/22,716.30 = 4,755.81/x
  3. Step 3: Cross multiply
    15,144.06x = 22,716.30 × 4,755.81
  4. Step 4: Simplify right side
    15,144.06x = 108,034,406.70
  5. Step 5: Solve for x
    x = 108,034,406.70/15,144.06
  6. Step 6: Final answer
    x = 7,133.78

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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.