Home / 25,640.20-38,464.26-10,849.20

Finding the Fourth Proportional to 25,640.20, 38,464.26 and 10,849.20

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Solution

The fourth proportional to 25,640.20, 38,464.26 and 10,849.20 is: 16,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.20 : 38,464.26 = 10,849.20 : x
  2. Step 2: Convert to fraction form
    25,640.20/38,464.26 = 10,849.20/x
  3. Step 3: Cross multiply
    25,640.20x = 38,464.26 × 10,849.20
  4. Step 4: Simplify right side
    25,640.20x = 417,306,449.59
  5. Step 5: Solve for x
    x = 417,306,449.59/25,640.20
  6. Step 6: Final answer
    x = 16,275.48

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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.