Home / 25,662.77-38,495.24-8,132.21

Finding the Fourth Proportional to 25,662.77, 38,495.24 and 8,132.21

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Solution

The fourth proportional to 25,662.77, 38,495.24 and 8,132.21 is: 12,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.77 : 38,495.24 = 8,132.21 : x
  2. Step 2: Convert to fraction form
    25,662.77/38,495.24 = 8,132.21/x
  3. Step 3: Cross multiply
    25,662.77x = 38,495.24 × 8,132.21
  4. Step 4: Simplify right side
    25,662.77x = 313,051,142.54
  5. Step 5: Solve for x
    x = 313,051,142.54/25,662.77
  6. Step 6: Final answer
    x = 12,198.65

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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.