Home / 25,832.45-38,748.65-7,112.61

Finding the Fourth Proportional to 25,832.45, 38,748.65 and 7,112.61

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Solution

The fourth proportional to 25,832.45, 38,748.65 and 7,112.61 is: 10,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,832.45 : 38,748.65 = 7,112.61 : x
  2. Step 2: Convert to fraction form
    25,832.45/38,748.65 = 7,112.61/x
  3. Step 3: Cross multiply
    25,832.45x = 38,748.65 × 7,112.61
  4. Step 4: Simplify right side
    25,832.45x = 275,603,999.91
  5. Step 5: Solve for x
    x = 275,603,999.91/25,832.45
  6. Step 6: Final answer
    x = 10,668.91

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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.