Home / 18,015.38-24,861.46-9,949.57

Finding the Fourth Proportional to 18,015.38, 24,861.46 and 9,949.57

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Solution

The fourth proportional to 18,015.38, 24,861.46 and 9,949.57 is: 13,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.38 : 24,861.46 = 9,949.57 : x
  2. Step 2: Convert to fraction form
    18,015.38/24,861.46 = 9,949.57/x
  3. Step 3: Cross multiply
    18,015.38x = 24,861.46 × 9,949.57
  4. Step 4: Simplify right side
    18,015.38x = 247,360,923.60
  5. Step 5: Solve for x
    x = 247,360,923.60/18,015.38
  6. Step 6: Final answer
    x = 13,730.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.