Home / 19,786.14-27,299.43-11,825.46

Finding the Fourth Proportional to 19,786.14, 27,299.43 and 11,825.46

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Solution

The fourth proportional to 19,786.14, 27,299.43 and 11,825.46 is: 16,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.14 : 27,299.43 = 11,825.46 : x
  2. Step 2: Convert to fraction form
    19,786.14/27,299.43 = 11,825.46/x
  3. Step 3: Cross multiply
    19,786.14x = 27,299.43 × 11,825.46
  4. Step 4: Simplify right side
    19,786.14x = 322,828,317.49
  5. Step 5: Solve for x
    x = 322,828,317.49/19,786.14
  6. Step 6: Final answer
    x = 16,315.88

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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.