Home / 22,091.69-30,486.67-12,020.21

Finding the Fourth Proportional to 22,091.69, 30,486.67 and 12,020.21

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Solution

The fourth proportional to 22,091.69, 30,486.67 and 12,020.21 is: 16,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.69 : 30,486.67 = 12,020.21 : x
  2. Step 2: Convert to fraction form
    22,091.69/30,486.67 = 12,020.21/x
  3. Step 3: Cross multiply
    22,091.69x = 30,486.67 × 12,020.21
  4. Step 4: Simplify right side
    22,091.69x = 366,456,107.44
  5. Step 5: Solve for x
    x = 366,456,107.44/22,091.69
  6. Step 6: Final answer
    x = 16,587.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.