Home / 18,584.60-27,822.30-11,991.32

Finding the Fourth Proportional to 18,584.60, 27,822.30 and 11,991.32

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Solution

The fourth proportional to 18,584.60, 27,822.30 and 11,991.32 is: 17,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.60 : 27,822.30 = 11,991.32 : x
  2. Step 2: Convert to fraction form
    18,584.60/27,822.30 = 11,991.32/x
  3. Step 3: Cross multiply
    18,584.60x = 27,822.30 × 11,991.32
  4. Step 4: Simplify right side
    18,584.60x = 333,626,102.44
  5. Step 5: Solve for x
    x = 333,626,102.44/18,584.60
  6. Step 6: Final answer
    x = 17,951.75

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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.