Home / 22,190.23-30,626.46-13,115.22

Finding the Fourth Proportional to 22,190.23, 30,626.46 and 13,115.22

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Solution

The fourth proportional to 22,190.23, 30,626.46 and 13,115.22 is: 18,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.23 : 30,626.46 = 13,115.22 : x
  2. Step 2: Convert to fraction form
    22,190.23/30,626.46 = 13,115.22/x
  3. Step 3: Cross multiply
    22,190.23x = 30,626.46 × 13,115.22
  4. Step 4: Simplify right side
    22,190.23x = 401,672,760.72
  5. Step 5: Solve for x
    x = 401,672,760.72/22,190.23
  6. Step 6: Final answer
    x = 18,101.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.