Home / 18,155.66-25,053.56-10,198.62

Finding the Fourth Proportional to 18,155.66, 25,053.56 and 10,198.62

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Solution

The fourth proportional to 18,155.66, 25,053.56 and 10,198.62 is: 14,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.66 : 25,053.56 = 10,198.62 : x
  2. Step 2: Convert to fraction form
    18,155.66/25,053.56 = 10,198.62/x
  3. Step 3: Cross multiply
    18,155.66x = 25,053.56 × 10,198.62
  4. Step 4: Simplify right side
    18,155.66x = 255,511,738.09
  5. Step 5: Solve for x
    x = 255,511,738.09/18,155.66
  6. Step 6: Final answer
    x = 14,073.39

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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.