Home / 22,821.75-34,227.36-8,777.16

Finding the Fourth Proportional to 22,821.75, 34,227.36 and 8,777.16

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Solution

The fourth proportional to 22,821.75, 34,227.36 and 8,777.16 is: 13,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.75 : 34,227.36 = 8,777.16 : x
  2. Step 2: Convert to fraction form
    22,821.75/34,227.36 = 8,777.16/x
  3. Step 3: Cross multiply
    22,821.75x = 34,227.36 × 8,777.16
  4. Step 4: Simplify right side
    22,821.75x = 300,419,015.10
  5. Step 5: Solve for x
    x = 300,419,015.10/22,821.75
  6. Step 6: Final answer
    x = 13,163.72

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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.