Home / 29,112.12-40,174.86-16,537.56

Finding the Fourth Proportional to 29,112.12, 40,174.86 and 16,537.56

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Solution

The fourth proportional to 29,112.12, 40,174.86 and 16,537.56 is: 22,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.12 : 40,174.86 = 16,537.56 : x
  2. Step 2: Convert to fraction form
    29,112.12/40,174.86 = 16,537.56/x
  3. Step 3: Cross multiply
    29,112.12x = 40,174.86 × 16,537.56
  4. Step 4: Simplify right side
    29,112.12x = 664,394,157.74
  5. Step 5: Solve for x
    x = 664,394,157.74/29,112.12
  6. Step 6: Final answer
    x = 22,821.91

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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.