Home / 22,918.28-34,377.45-6,278.46

Finding the Fourth Proportional to 22,918.28, 34,377.45 and 6,278.46

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Solution

The fourth proportional to 22,918.28, 34,377.45 and 6,278.46 is: 9,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.28 : 34,377.45 = 6,278.46 : x
  2. Step 2: Convert to fraction form
    22,918.28/34,377.45 = 6,278.46/x
  3. Step 3: Cross multiply
    22,918.28x = 34,377.45 × 6,278.46
  4. Step 4: Simplify right side
    22,918.28x = 215,837,241.45
  5. Step 5: Solve for x
    x = 215,837,241.45/22,918.28
  6. Step 6: Final answer
    x = 9,417.69

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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.