Home / 16,379.88-22,550.46-13,723.08

Finding the Fourth Proportional to 16,379.88, 22,550.46 and 13,723.08

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Solution

The fourth proportional to 16,379.88, 22,550.46 and 13,723.08 is: 18,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.88 : 22,550.46 = 13,723.08 : x
  2. Step 2: Convert to fraction form
    16,379.88/22,550.46 = 13,723.08/x
  3. Step 3: Cross multiply
    16,379.88x = 22,550.46 × 13,723.08
  4. Step 4: Simplify right side
    16,379.88x = 309,461,766.62
  5. Step 5: Solve for x
    x = 309,461,766.62/16,379.88
  6. Step 6: Final answer
    x = 18,892.80

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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.