Home / 16,379.21-24,571.55-5,135.29

Finding the Fourth Proportional to 16,379.21, 24,571.55 and 5,135.29

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Solution

The fourth proportional to 16,379.21, 24,571.55 and 5,135.29 is: 7,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.21 : 24,571.55 = 5,135.29 : x
  2. Step 2: Convert to fraction form
    16,379.21/24,571.55 = 5,135.29/x
  3. Step 3: Cross multiply
    16,379.21x = 24,571.55 × 5,135.29
  4. Step 4: Simplify right side
    16,379.21x = 126,181,986.41
  5. Step 5: Solve for x
    x = 126,181,986.41/16,379.21
  6. Step 6: Final answer
    x = 7,703.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.