Home / 12,902.22-19,351.31-3,542.94

Finding the Fourth Proportional to 12,902.22, 19,351.31 and 3,542.94

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Solution

The fourth proportional to 12,902.22, 19,351.31 and 3,542.94 is: 5,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.22 : 19,351.31 = 3,542.94 : x
  2. Step 2: Convert to fraction form
    12,902.22/19,351.31 = 3,542.94/x
  3. Step 3: Cross multiply
    12,902.22x = 19,351.31 × 3,542.94
  4. Step 4: Simplify right side
    12,902.22x = 68,560,512.54
  5. Step 5: Solve for x
    x = 68,560,512.54/12,902.22
  6. Step 6: Final answer
    x = 5,313.85

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1.5x scale

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.