Home / 25,964.06-38,951.85-12,105.50

Finding the Fourth Proportional to 25,964.06, 38,951.85 and 12,105.50

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Solution

The fourth proportional to 25,964.06, 38,951.85 and 12,105.50 is: 18,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,964.06 : 38,951.85 = 12,105.50 : x
  2. Step 2: Convert to fraction form
    25,964.06/38,951.85 = 12,105.50/x
  3. Step 3: Cross multiply
    25,964.06x = 38,951.85 × 12,105.50
  4. Step 4: Simplify right side
    25,964.06x = 471,531,620.18
  5. Step 5: Solve for x
    x = 471,531,620.18/25,964.06
  6. Step 6: Final answer
    x = 18,160.94

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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.