Home / 14,519.25-21,786.75-11,238.75

Finding the Fourth Proportional to 14,519.25, 21,786.75 and 11,238.75

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Solution

The fourth proportional to 14,519.25, 21,786.75 and 11,238.75 is: 16,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.25 : 21,786.75 = 11,238.75 : x
  2. Step 2: Convert to fraction form
    14,519.25/21,786.75 = 11,238.75/x
  3. Step 3: Cross multiply
    14,519.25x = 21,786.75 × 11,238.75
  4. Step 4: Simplify right side
    14,519.25x = 244,855,836.56
  5. Step 5: Solve for x
    x = 244,855,836.56/14,519.25
  6. Step 6: Final answer
    x = 16,864.22

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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.