Home / 18,380.49-27,554.33-8,506.18

Finding the Fourth Proportional to 18,380.49, 27,554.33 and 8,506.18

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Solution

The fourth proportional to 18,380.49, 27,554.33 and 8,506.18 is: 12,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.49 : 27,554.33 = 8,506.18 : x
  2. Step 2: Convert to fraction form
    18,380.49/27,554.33 = 8,506.18/x
  3. Step 3: Cross multiply
    18,380.49x = 27,554.33 × 8,506.18
  4. Step 4: Simplify right side
    18,380.49x = 234,382,098.62
  5. Step 5: Solve for x
    x = 234,382,098.62/18,380.49
  6. Step 6: Final answer
    x = 12,751.68

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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.