Home / 25,640.49-38,451.62-9,846.71

Finding the Fourth Proportional to 25,640.49, 38,451.62 and 9,846.71

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Solution

The fourth proportional to 25,640.49, 38,451.62 and 9,846.71 is: 14,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.49 : 38,451.62 = 9,846.71 : x
  2. Step 2: Convert to fraction form
    25,640.49/38,451.62 = 9,846.71/x
  3. Step 3: Cross multiply
    25,640.49x = 38,451.62 × 9,846.71
  4. Step 4: Simplify right side
    25,640.49x = 378,621,783.53
  5. Step 5: Solve for x
    x = 378,621,783.53/25,640.49
  6. Step 6: Final answer
    x = 14,766.56

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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.