Home / 12,207.44-18,311.16-11,584.15

Finding the Fourth Proportional to 12,207.44, 18,311.16 and 11,584.15

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Solution

The fourth proportional to 12,207.44, 18,311.16 and 11,584.15 is: 17,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.44 : 18,311.16 = 11,584.15 : x
  2. Step 2: Convert to fraction form
    12,207.44/18,311.16 = 11,584.15/x
  3. Step 3: Cross multiply
    12,207.44x = 18,311.16 × 11,584.15
  4. Step 4: Simplify right side
    12,207.44x = 212,119,221.78
  5. Step 5: Solve for x
    x = 212,119,221.78/12,207.44
  6. Step 6: Final answer
    x = 17,376.22

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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.