Home / 25,982.44-38,956.21-13,339.86

Finding the Fourth Proportional to 25,982.44, 38,956.21 and 13,339.86

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Solution

The fourth proportional to 25,982.44, 38,956.21 and 13,339.86 is: 20,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.44 : 38,956.21 = 13,339.86 : x
  2. Step 2: Convert to fraction form
    25,982.44/38,956.21 = 13,339.86/x
  3. Step 3: Cross multiply
    25,982.44x = 38,956.21 × 13,339.86
  4. Step 4: Simplify right side
    25,982.44x = 519,670,208.10
  5. Step 5: Solve for x
    x = 519,670,208.10/25,982.44
  6. Step 6: Final answer
    x = 20,000.83

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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.