Home / 26,806.60-40,190.46-18,019.72

Finding the Fourth Proportional to 26,806.60, 40,190.46 and 18,019.72

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Solution

The fourth proportional to 26,806.60, 40,190.46 and 18,019.72 is: 27,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.60 : 40,190.46 = 18,019.72 : x
  2. Step 2: Convert to fraction form
    26,806.60/40,190.46 = 18,019.72/x
  3. Step 3: Cross multiply
    26,806.60x = 40,190.46 × 18,019.72
  4. Step 4: Simplify right side
    26,806.60x = 724,220,835.87
  5. Step 5: Solve for x
    x = 724,220,835.87/26,806.60
  6. Step 6: Final answer
    x = 27,016.51

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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.