Home / 18,824.66-25,974.69-11,749.94

Finding the Fourth Proportional to 18,824.66, 25,974.69 and 11,749.94

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Solution

The fourth proportional to 18,824.66, 25,974.69 and 11,749.94 is: 16,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.66 : 25,974.69 = 11,749.94 : x
  2. Step 2: Convert to fraction form
    18,824.66/25,974.69 = 11,749.94/x
  3. Step 3: Cross multiply
    18,824.66x = 25,974.69 × 11,749.94
  4. Step 4: Simplify right side
    18,824.66x = 305,201,049.02
  5. Step 5: Solve for x
    x = 305,201,049.02/18,824.66
  6. Step 6: Final answer
    x = 16,212.83

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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.