Home / 22,742.76-34,115.34-7,161.60

Finding the Fourth Proportional to 22,742.76, 34,115.34 and 7,161.60

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Solution

The fourth proportional to 22,742.76, 34,115.34 and 7,161.60 is: 10,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,742.76 : 34,115.34 = 7,161.60 : x
  2. Step 2: Convert to fraction form
    22,742.76/34,115.34 = 7,161.60/x
  3. Step 3: Cross multiply
    22,742.76x = 34,115.34 × 7,161.60
  4. Step 4: Simplify right side
    22,742.76x = 244,320,418.94
  5. Step 5: Solve for x
    x = 244,320,418.94/22,742.76
  6. Step 6: Final answer
    x = 10,742.78

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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.