Home / 14,422.14-21,589.37-9,231.66

Finding the Fourth Proportional to 14,422.14, 21,589.37 and 9,231.66

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Solution

The fourth proportional to 14,422.14, 21,589.37 and 9,231.66 is: 13,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.14 : 21,589.37 = 9,231.66 : x
  2. Step 2: Convert to fraction form
    14,422.14/21,589.37 = 9,231.66/x
  3. Step 3: Cross multiply
    14,422.14x = 21,589.37 × 9,231.66
  4. Step 4: Simplify right side
    14,422.14x = 199,305,723.45
  5. Step 5: Solve for x
    x = 199,305,723.45/14,422.14
  6. Step 6: Final answer
    x = 13,819.43

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1.5x scale

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.