Home / 12,229.44-18,323.88-11,208.03

Finding the Fourth Proportional to 12,229.44, 18,323.88 and 11,208.03

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Solution

The fourth proportional to 12,229.44, 18,323.88 and 11,208.03 is: 16,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.44 : 18,323.88 = 11,208.03 : x
  2. Step 2: Convert to fraction form
    12,229.44/18,323.88 = 11,208.03/x
  3. Step 3: Cross multiply
    12,229.44x = 18,323.88 × 11,208.03
  4. Step 4: Simplify right side
    12,229.44x = 205,374,596.76
  5. Step 5: Solve for x
    x = 205,374,596.76/12,229.44
  6. Step 6: Final answer
    x = 16,793.46

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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.