Home / 19,882.06-27,450.84-18,196.99

Finding the Fourth Proportional to 19,882.06, 27,450.84 and 18,196.99

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Solution

The fourth proportional to 19,882.06, 27,450.84 and 18,196.99 is: 25,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.06 : 27,450.84 = 18,196.99 : x
  2. Step 2: Convert to fraction form
    19,882.06/27,450.84 = 18,196.99/x
  3. Step 3: Cross multiply
    19,882.06x = 27,450.84 × 18,196.99
  4. Step 4: Simplify right side
    19,882.06x = 499,522,660.97
  5. Step 5: Solve for x
    x = 499,522,660.97/19,882.06
  6. Step 6: Final answer
    x = 25,124.29

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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.