Home / 18,621.52-27,923.48-6,766.93

Finding the Fourth Proportional to 18,621.52, 27,923.48 and 6,766.93

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Solution

The fourth proportional to 18,621.52, 27,923.48 and 6,766.93 is: 10,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.52 : 27,923.48 = 6,766.93 : x
  2. Step 2: Convert to fraction form
    18,621.52/27,923.48 = 6,766.93/x
  3. Step 3: Cross multiply
    18,621.52x = 27,923.48 × 6,766.93
  4. Step 4: Simplify right side
    18,621.52x = 188,956,234.52
  5. Step 5: Solve for x
    x = 188,956,234.52/18,621.52
  6. Step 6: Final answer
    x = 10,147.20

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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.