Home / 18,198.60-25,107.84-11,030.73

Finding the Fourth Proportional to 18,198.60, 25,107.84 and 11,030.73

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Solution

The fourth proportional to 18,198.60, 25,107.84 and 11,030.73 is: 15,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.60 : 25,107.84 = 11,030.73 : x
  2. Step 2: Convert to fraction form
    18,198.60/25,107.84 = 11,030.73/x
  3. Step 3: Cross multiply
    18,198.60x = 25,107.84 × 11,030.73
  4. Step 4: Simplify right side
    18,198.60x = 276,957,803.92
  5. Step 5: Solve for x
    x = 276,957,803.92/18,198.60
  6. Step 6: Final answer
    x = 15,218.63

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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.