Home / 25,830.92-38,712.34-10,240.04

Finding the Fourth Proportional to 25,830.92, 38,712.34 and 10,240.04

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Solution

The fourth proportional to 25,830.92, 38,712.34 and 10,240.04 is: 15,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.92 : 38,712.34 = 10,240.04 : x
  2. Step 2: Convert to fraction form
    25,830.92/38,712.34 = 10,240.04/x
  3. Step 3: Cross multiply
    25,830.92x = 38,712.34 × 10,240.04
  4. Step 4: Simplify right side
    25,830.92x = 396,415,910.09
  5. Step 5: Solve for x
    x = 396,415,910.09/25,830.92
  6. Step 6: Final answer
    x = 15,346.57

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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.