Home / 18,069.96-27,105.42-6,380.52

Finding the Fourth Proportional to 18,069.96, 27,105.42 and 6,380.52

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Solution

The fourth proportional to 18,069.96, 27,105.42 and 6,380.52 is: 9,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.96 : 27,105.42 = 6,380.52 : x
  2. Step 2: Convert to fraction form
    18,069.96/27,105.42 = 6,380.52/x
  3. Step 3: Cross multiply
    18,069.96x = 27,105.42 × 6,380.52
  4. Step 4: Simplify right side
    18,069.96x = 172,946,674.42
  5. Step 5: Solve for x
    x = 172,946,674.42/18,069.96
  6. Step 6: Final answer
    x = 9,570.95

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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.