Home / 18,565.56-25,620.66-10,067.70

Finding the Fourth Proportional to 18,565.56, 25,620.66 and 10,067.70

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Solution

The fourth proportional to 18,565.56, 25,620.66 and 10,067.70 is: 13,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.56 : 25,620.66 = 10,067.70 : x
  2. Step 2: Convert to fraction form
    18,565.56/25,620.66 = 10,067.70/x
  3. Step 3: Cross multiply
    18,565.56x = 25,620.66 × 10,067.70
  4. Step 4: Simplify right side
    18,565.56x = 257,941,118.68
  5. Step 5: Solve for x
    x = 257,941,118.68/18,565.56
  6. Step 6: Final answer
    x = 13,893.53

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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.