Home / 26,542.14-39,815.10-7,821.96

Finding the Fourth Proportional to 26,542.14, 39,815.10 and 7,821.96

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Solution

The fourth proportional to 26,542.14, 39,815.10 and 7,821.96 is: 11,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.14 : 39,815.10 = 7,821.96 : x
  2. Step 2: Convert to fraction form
    26,542.14/39,815.10 = 7,821.96/x
  3. Step 3: Cross multiply
    26,542.14x = 39,815.10 × 7,821.96
  4. Step 4: Simplify right side
    26,542.14x = 311,432,119.60
  5. Step 5: Solve for x
    x = 311,432,119.60/26,542.14
  6. Step 6: Final answer
    x = 11,733.50

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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.