Home / 19,772.24-27,287.55-11,814.29

Finding the Fourth Proportional to 19,772.24, 27,287.55 and 11,814.29

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Solution

The fourth proportional to 19,772.24, 27,287.55 and 11,814.29 is: 16,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.24 : 27,287.55 = 11,814.29 : x
  2. Step 2: Convert to fraction form
    19,772.24/27,287.55 = 11,814.29/x
  3. Step 3: Cross multiply
    19,772.24x = 27,287.55 × 11,814.29
  4. Step 4: Simplify right side
    19,772.24x = 322,383,029.09
  5. Step 5: Solve for x
    x = 322,383,029.09/19,772.24
  6. Step 6: Final answer
    x = 16,304.83

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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.