Home / 25,960.57-35,805.20-18,791.55

Finding the Fourth Proportional to 25,960.57, 35,805.20 and 18,791.55

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Solution

The fourth proportional to 25,960.57, 35,805.20 and 18,791.55 is: 25,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960.57 : 35,805.20 = 18,791.55 : x
  2. Step 2: Convert to fraction form
    25,960.57/35,805.20 = 18,791.55/x
  3. Step 3: Cross multiply
    25,960.57x = 35,805.20 × 18,791.55
  4. Step 4: Simplify right side
    25,960.57x = 672,835,112.10
  5. Step 5: Solve for x
    x = 672,835,112.10/25,960.57
  6. Step 6: Final answer
    x = 25,917.58

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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.