Home / 18,749.62-25,876.76-10,791.68

Finding the Fourth Proportional to 18,749.62, 25,876.76 and 10,791.68

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Solution

The fourth proportional to 18,749.62, 25,876.76 and 10,791.68 is: 14,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.62 : 25,876.76 = 10,791.68 : x
  2. Step 2: Convert to fraction form
    18,749.62/25,876.76 = 10,791.68/x
  3. Step 3: Cross multiply
    18,749.62x = 25,876.76 × 10,791.68
  4. Step 4: Simplify right side
    18,749.62x = 279,253,530.01
  5. Step 5: Solve for x
    x = 279,253,530.01/18,749.62
  6. Step 6: Final answer
    x = 14,893.83

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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.