Home / 18,192.20-27,379.42-16,380.63

Finding the Fourth Proportional to 18,192.20, 27,379.42 and 16,380.63

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Solution

The fourth proportional to 18,192.20, 27,379.42 and 16,380.63 is: 24,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.20 : 27,379.42 = 16,380.63 : x
  2. Step 2: Convert to fraction form
    18,192.20/27,379.42 = 16,380.63/x
  3. Step 3: Cross multiply
    18,192.20x = 27,379.42 × 16,380.63
  4. Step 4: Simplify right side
    18,192.20x = 448,492,107.68
  5. Step 5: Solve for x
    x = 448,492,107.68/18,192.20
  6. Step 6: Final answer
    x = 24,653.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.