Home / 13,794.85-20,695.35-5,029.78

Finding the Fourth Proportional to 13,794.85, 20,695.35 and 5,029.78

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Solution

The fourth proportional to 13,794.85, 20,695.35 and 5,029.78 is: 7,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.85 : 20,695.35 = 5,029.78 : x
  2. Step 2: Convert to fraction form
    13,794.85/20,695.35 = 5,029.78/x
  3. Step 3: Cross multiply
    13,794.85x = 20,695.35 × 5,029.78
  4. Step 4: Simplify right side
    13,794.85x = 104,093,057.52
  5. Step 5: Solve for x
    x = 104,093,057.52/13,794.85
  6. Step 6: Final answer
    x = 7,545.79

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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.