Home / 22,040.87-30,416.22-11,969.19

Finding the Fourth Proportional to 22,040.87, 30,416.22 and 11,969.19

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Solution

The fourth proportional to 22,040.87, 30,416.22 and 11,969.19 is: 16,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.87 : 30,416.22 = 11,969.19 : x
  2. Step 2: Convert to fraction form
    22,040.87/30,416.22 = 11,969.19/x
  3. Step 3: Cross multiply
    22,040.87x = 30,416.22 × 11,969.19
  4. Step 4: Simplify right side
    22,040.87x = 364,057,516.26
  5. Step 5: Solve for x
    x = 364,057,516.26/22,040.87
  6. Step 6: Final answer
    x = 16,517.39

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Half scale
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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.