Home / 25,896.43-38,845.55-7,174.96

Finding the Fourth Proportional to 25,896.43, 38,845.55 and 7,174.96

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Solution

The fourth proportional to 25,896.43, 38,845.55 and 7,174.96 is: 10,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.43 : 38,845.55 = 7,174.96 : x
  2. Step 2: Convert to fraction form
    25,896.43/38,845.55 = 7,174.96/x
  3. Step 3: Cross multiply
    25,896.43x = 38,845.55 × 7,174.96
  4. Step 4: Simplify right side
    25,896.43x = 278,715,037.33
  5. Step 5: Solve for x
    x = 278,715,037.33/25,896.43
  6. Step 6: Final answer
    x = 10,762.68

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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.