Home / 22,040.01-30,415.22-11,968.43

Finding the Fourth Proportional to 22,040.01, 30,415.22 and 11,968.43

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Solution

The fourth proportional to 22,040.01, 30,415.22 and 11,968.43 is: 16,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.01 : 30,415.22 = 11,968.43 : x
  2. Step 2: Convert to fraction form
    22,040.01/30,415.22 = 11,968.43/x
  3. Step 3: Cross multiply
    22,040.01x = 30,415.22 × 11,968.43
  4. Step 4: Simplify right side
    22,040.01x = 364,022,537.46
  5. Step 5: Solve for x
    x = 364,022,537.46/22,040.01
  6. Step 6: Final answer
    x = 16,516.44

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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.