Home / 25,896.61-38,845.75-7,176.83

Finding the Fourth Proportional to 25,896.61, 38,845.75 and 7,176.83

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Solution

The fourth proportional to 25,896.61, 38,845.75 and 7,176.83 is: 10,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.61 : 38,845.75 = 7,176.83 : x
  2. Step 2: Convert to fraction form
    25,896.61/38,845.75 = 7,176.83/x
  3. Step 3: Cross multiply
    25,896.61x = 38,845.75 × 7,176.83
  4. Step 4: Simplify right side
    25,896.61x = 278,789,343.97
  5. Step 5: Solve for x
    x = 278,789,343.97/25,896.61
  6. Step 6: Final answer
    x = 10,765.48

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1.5x scale

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.