Home / 25,791.11-35,589.87-15,179.30

Finding the Fourth Proportional to 25,791.11, 35,589.87 and 15,179.30

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Solution

The fourth proportional to 25,791.11, 35,589.87 and 15,179.30 is: 20,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.11 : 35,589.87 = 15,179.30 : x
  2. Step 2: Convert to fraction form
    25,791.11/35,589.87 = 15,179.30/x
  3. Step 3: Cross multiply
    25,791.11x = 35,589.87 × 15,179.30
  4. Step 4: Simplify right side
    25,791.11x = 540,229,313.69
  5. Step 5: Solve for x
    x = 540,229,313.69/25,791.11
  6. Step 6: Final answer
    x = 20,946.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.