Home / 25,459.62-38,185.05-6,739.86

Finding the Fourth Proportional to 25,459.62, 38,185.05 and 6,739.86

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Solution

The fourth proportional to 25,459.62, 38,185.05 and 6,739.86 is: 10,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459.62 : 38,185.05 = 6,739.86 : x
  2. Step 2: Convert to fraction form
    25,459.62/38,185.05 = 6,739.86/x
  3. Step 3: Cross multiply
    25,459.62x = 38,185.05 × 6,739.86
  4. Step 4: Simplify right side
    25,459.62x = 257,361,891.09
  5. Step 5: Solve for x
    x = 257,361,891.09/25,459.62
  6. Step 6: Final answer
    x = 10,108.63

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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.