Home / 22,040.80-30,416.37-11,969.41

Finding the Fourth Proportional to 22,040.80, 30,416.37 and 11,969.41

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Solution

The fourth proportional to 22,040.80, 30,416.37 and 11,969.41 is: 16,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.80 : 30,416.37 = 11,969.41 : x
  2. Step 2: Convert to fraction form
    22,040.80/30,416.37 = 11,969.41/x
  3. Step 3: Cross multiply
    22,040.80x = 30,416.37 × 11,969.41
  4. Step 4: Simplify right side
    22,040.80x = 364,066,003.24
  5. Step 5: Solve for x
    x = 364,066,003.24/22,040.80
  6. Step 6: Final answer
    x = 16,517.82

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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.