Home / 18,974.20-26,173.50-11,015.41

Finding the Fourth Proportional to 18,974.20, 26,173.50 and 11,015.41

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Solution

The fourth proportional to 18,974.20, 26,173.50 and 11,015.41 is: 15,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.20 : 26,173.50 = 11,015.41 : x
  2. Step 2: Convert to fraction form
    18,974.20/26,173.50 = 11,015.41/x
  3. Step 3: Cross multiply
    18,974.20x = 26,173.50 × 11,015.41
  4. Step 4: Simplify right side
    18,974.20x = 288,311,833.64
  5. Step 5: Solve for x
    x = 288,311,833.64/18,974.20
  6. Step 6: Final answer
    x = 15,194.94

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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.