Home / 14,052.20-19,391.87-7,764.57

Finding the Fourth Proportional to 14,052.20, 19,391.87 and 7,764.57

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Solution

The fourth proportional to 14,052.20, 19,391.87 and 7,764.57 is: 10,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.20 : 19,391.87 = 7,764.57 : x
  2. Step 2: Convert to fraction form
    14,052.20/19,391.87 = 7,764.57/x
  3. Step 3: Cross multiply
    14,052.20x = 19,391.87 × 7,764.57
  4. Step 4: Simplify right side
    14,052.20x = 150,569,493.22
  5. Step 5: Solve for x
    x = 150,569,493.22/14,052.20
  6. Step 6: Final answer
    x = 10,715.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.