Home / 12,091.98-18,102.33-11,793.90

Finding the Fourth Proportional to 12,091.98, 18,102.33 and 11,793.90

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Solution

The fourth proportional to 12,091.98, 18,102.33 and 11,793.90 is: 17,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.98 : 18,102.33 = 11,793.90 : x
  2. Step 2: Convert to fraction form
    12,091.98/18,102.33 = 11,793.90/x
  3. Step 3: Cross multiply
    12,091.98x = 18,102.33 × 11,793.90
  4. Step 4: Simplify right side
    12,091.98x = 213,497,069.79
  5. Step 5: Solve for x
    x = 213,497,069.79/12,091.98
  6. Step 6: Final answer
    x = 17,656.09

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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.