Home / 22,914.96-34,361.19-8,121.75

Finding the Fourth Proportional to 22,914.96, 34,361.19 and 8,121.75

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Solution

The fourth proportional to 22,914.96, 34,361.19 and 8,121.75 is: 12,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,914.96 : 34,361.19 = 8,121.75 : x
  2. Step 2: Convert to fraction form
    22,914.96/34,361.19 = 8,121.75/x
  3. Step 3: Cross multiply
    22,914.96x = 34,361.19 × 8,121.75
  4. Step 4: Simplify right side
    22,914.96x = 279,072,994.88
  5. Step 5: Solve for x
    x = 279,072,994.88/22,914.96
  6. Step 6: Final answer
    x = 12,178.64

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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.