Home / 22,919.42-34,380.25-7,135.22

Finding the Fourth Proportional to 22,919.42, 34,380.25 and 7,135.22

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Solution

The fourth proportional to 22,919.42, 34,380.25 and 7,135.22 is: 10,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.42 : 34,380.25 = 7,135.22 : x
  2. Step 2: Convert to fraction form
    22,919.42/34,380.25 = 7,135.22/x
  3. Step 3: Cross multiply
    22,919.42x = 34,380.25 × 7,135.22
  4. Step 4: Simplify right side
    22,919.42x = 245,310,715.52
  5. Step 5: Solve for x
    x = 245,310,715.52/22,919.42
  6. Step 6: Final answer
    x = 10,703.18

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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.