Home / 15,278.22-22,918.70-4,184.97

Finding the Fourth Proportional to 15,278.22, 22,918.70 and 4,184.97

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Solution

The fourth proportional to 15,278.22, 22,918.70 and 4,184.97 is: 6,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.22 : 22,918.70 = 4,184.97 : x
  2. Step 2: Convert to fraction form
    15,278.22/22,918.70 = 4,184.97/x
  3. Step 3: Cross multiply
    15,278.22x = 22,918.70 × 4,184.97
  4. Step 4: Simplify right side
    15,278.22x = 95,913,972.92
  5. Step 5: Solve for x
    x = 95,913,972.92/15,278.22
  6. Step 6: Final answer
    x = 6,277.82

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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.