Home / 22,039.80-30,414.96-11,968.26

Finding the Fourth Proportional to 22,039.80, 30,414.96 and 11,968.26

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Solution

The fourth proportional to 22,039.80, 30,414.96 and 11,968.26 is: 16,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.80 : 30,414.96 = 11,968.26 : x
  2. Step 2: Convert to fraction form
    22,039.80/30,414.96 = 11,968.26/x
  3. Step 3: Cross multiply
    22,039.80x = 30,414.96 × 11,968.26
  4. Step 4: Simplify right side
    22,039.80x = 364,014,149.17
  5. Step 5: Solve for x
    x = 364,014,149.17/22,039.80
  6. Step 6: Final answer
    x = 16,516.22

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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.