Home / 12,764.22-19,142.07-5,367.30

Finding the Fourth Proportional to 12,764.22, 19,142.07 and 5,367.30

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Solution

The fourth proportional to 12,764.22, 19,142.07 and 5,367.30 is: 8,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.22 : 19,142.07 = 5,367.30 : x
  2. Step 2: Convert to fraction form
    12,764.22/19,142.07 = 5,367.30/x
  3. Step 3: Cross multiply
    12,764.22x = 19,142.07 × 5,367.30
  4. Step 4: Simplify right side
    12,764.22x = 102,741,232.31
  5. Step 5: Solve for x
    x = 102,741,232.31/12,764.22
  6. Step 6: Final answer
    x = 8,049.16

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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.