Home / 25,864.82-35,696.70-15,791.12

Finding the Fourth Proportional to 25,864.82, 35,696.70 and 15,791.12

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Solution

The fourth proportional to 25,864.82, 35,696.70 and 15,791.12 is: 21,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.82 : 35,696.70 = 15,791.12 : x
  2. Step 2: Convert to fraction form
    25,864.82/35,696.70 = 15,791.12/x
  3. Step 3: Cross multiply
    25,864.82x = 35,696.70 × 15,791.12
  4. Step 4: Simplify right side
    25,864.82x = 563,690,873.30
  5. Step 5: Solve for x
    x = 563,690,873.30/25,864.82
  6. Step 6: Final answer
    x = 21,793.73

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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.