Home / 19,844.84-27,371.44-13,136.22

Finding the Fourth Proportional to 19,844.84, 27,371.44 and 13,136.22

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Solution

The fourth proportional to 19,844.84, 27,371.44 and 13,136.22 is: 18,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.84 : 27,371.44 = 13,136.22 : x
  2. Step 2: Convert to fraction form
    19,844.84/27,371.44 = 13,136.22/x
  3. Step 3: Cross multiply
    19,844.84x = 27,371.44 × 13,136.22
  4. Step 4: Simplify right side
    19,844.84x = 359,557,257.56
  5. Step 5: Solve for x
    x = 359,557,257.56/19,844.84
  6. Step 6: Final answer
    x = 18,118.43

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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.