Home / 15,316.85-22,975.20-5,456.49

Finding the Fourth Proportional to 15,316.85, 22,975.20 and 5,456.49

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Solution

The fourth proportional to 15,316.85, 22,975.20 and 5,456.49 is: 8,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.85 : 22,975.20 = 5,456.49 : x
  2. Step 2: Convert to fraction form
    15,316.85/22,975.20 = 5,456.49/x
  3. Step 3: Cross multiply
    15,316.85x = 22,975.20 × 5,456.49
  4. Step 4: Simplify right side
    15,316.85x = 125,363,949.05
  5. Step 5: Solve for x
    x = 125,363,949.05/15,316.85
  6. Step 6: Final answer
    x = 8,184.71

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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.