Home / 26,385.60-39,584.46-7,665.96

Finding the Fourth Proportional to 26,385.60, 39,584.46 and 7,665.96

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Solution

The fourth proportional to 26,385.60, 39,584.46 and 7,665.96 is: 11,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.60 : 39,584.46 = 7,665.96 : x
  2. Step 2: Convert to fraction form
    26,385.60/39,584.46 = 7,665.96/x
  3. Step 3: Cross multiply
    26,385.60x = 39,584.46 × 7,665.96
  4. Step 4: Simplify right side
    26,385.60x = 303,452,886.98
  5. Step 5: Solve for x
    x = 303,452,886.98/26,385.60
  6. Step 6: Final answer
    x = 11,500.70

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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.