Home / 22,343.11-30,833.86-12,272.48

Finding the Fourth Proportional to 22,343.11, 30,833.86 and 12,272.48

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Solution

The fourth proportional to 22,343.11, 30,833.86 and 12,272.48 is: 16,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.11 : 30,833.86 = 12,272.48 : x
  2. Step 2: Convert to fraction form
    22,343.11/30,833.86 = 12,272.48/x
  3. Step 3: Cross multiply
    22,343.11x = 30,833.86 × 12,272.48
  4. Step 4: Simplify right side
    22,343.11x = 378,407,883.96
  5. Step 5: Solve for x
    x = 378,407,883.96/22,343.11
  6. Step 6: Final answer
    x = 16,936.22

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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.