Home / 22,042.42-30,418.61-11,971.03

Finding the Fourth Proportional to 22,042.42, 30,418.61 and 11,971.03

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Solution

The fourth proportional to 22,042.42, 30,418.61 and 11,971.03 is: 16,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.42 : 30,418.61 = 11,971.03 : x
  2. Step 2: Convert to fraction form
    22,042.42/30,418.61 = 11,971.03/x
  3. Step 3: Cross multiply
    22,042.42x = 30,418.61 × 11,971.03
  4. Step 4: Simplify right side
    22,042.42x = 364,142,092.87
  5. Step 5: Solve for x
    x = 364,142,092.87/22,042.42
  6. Step 6: Final answer
    x = 16,520.06

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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.