Home / 12,190.03-18,292.35-11,198.59

Finding the Fourth Proportional to 12,190.03, 18,292.35 and 11,198.59

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Solution

The fourth proportional to 12,190.03, 18,292.35 and 11,198.59 is: 16,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.03 : 18,292.35 = 11,198.59 : x
  2. Step 2: Convert to fraction form
    12,190.03/18,292.35 = 11,198.59/x
  3. Step 3: Cross multiply
    12,190.03x = 18,292.35 × 11,198.59
  4. Step 4: Simplify right side
    12,190.03x = 204,848,527.79
  5. Step 5: Solve for x
    x = 204,848,527.79/12,190.03
  6. Step 6: Final answer
    x = 16,804.60

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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.