Home / 18,803.04-28,198.92-11,793.72

Finding the Fourth Proportional to 18,803.04, 28,198.92 and 11,793.72

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Solution

The fourth proportional to 18,803.04, 28,198.92 and 11,793.72 is: 17,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.04 : 28,198.92 = 11,793.72 : x
  2. Step 2: Convert to fraction form
    18,803.04/28,198.92 = 11,793.72/x
  3. Step 3: Cross multiply
    18,803.04x = 28,198.92 × 11,793.72
  4. Step 4: Simplify right side
    18,803.04x = 332,570,166.78
  5. Step 5: Solve for x
    x = 332,570,166.78/18,803.04
  6. Step 6: Final answer
    x = 17,687.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.