Home / 17,999.16-26,984.97-12,436.62

Finding the Fourth Proportional to 17,999.16, 26,984.97 and 12,436.62

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Solution

The fourth proportional to 17,999.16, 26,984.97 and 12,436.62 is: 18,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.16 : 26,984.97 = 12,436.62 : x
  2. Step 2: Convert to fraction form
    17,999.16/26,984.97 = 12,436.62/x
  3. Step 3: Cross multiply
    17,999.16x = 26,984.97 × 12,436.62
  4. Step 4: Simplify right side
    17,999.16x = 335,601,817.60
  5. Step 5: Solve for x
    x = 335,601,817.60/17,999.16
  6. Step 6: Final answer
    x = 18,645.42

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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.