Home / 18,105.75-27,141.62-16,482.51

Finding the Fourth Proportional to 18,105.75, 27,141.62 and 16,482.51

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Solution

The fourth proportional to 18,105.75, 27,141.62 and 16,482.51 is: 24,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.75 : 27,141.62 = 16,482.51 : x
  2. Step 2: Convert to fraction form
    18,105.75/27,141.62 = 16,482.51/x
  3. Step 3: Cross multiply
    18,105.75x = 27,141.62 × 16,482.51
  4. Step 4: Simplify right side
    18,105.75x = 447,361,940.65
  5. Step 5: Solve for x
    x = 447,361,940.65/18,105.75
  6. Step 6: Final answer
    x = 24,708.28

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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.