Home / 15,255.68-22,878.66-4,865

Finding the Fourth Proportional to 15,255.68, 22,878.66 and 4,865

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Solution

The fourth proportional to 15,255.68, 22,878.66 and 4,865 is: 7,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.68 : 22,878.66 = 4,865 : x
  2. Step 2: Convert to fraction form
    15,255.68/22,878.66 = 4,865/x
  3. Step 3: Cross multiply
    15,255.68x = 22,878.66 × 4,865
  4. Step 4: Simplify right side
    15,255.68x = 111,304,680.90
  5. Step 5: Solve for x
    x = 111,304,680.90/15,255.68
  6. Step 6: Final answer
    x = 7,295.95

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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.