Home / 19,990.34-27,584.25-11,037.14

Finding the Fourth Proportional to 19,990.34, 27,584.25 and 11,037.14

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Solution

The fourth proportional to 19,990.34, 27,584.25 and 11,037.14 is: 15,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990.34 : 27,584.25 = 11,037.14 : x
  2. Step 2: Convert to fraction form
    19,990.34/27,584.25 = 11,037.14/x
  3. Step 3: Cross multiply
    19,990.34x = 27,584.25 × 11,037.14
  4. Step 4: Simplify right side
    19,990.34x = 304,451,229.05
  5. Step 5: Solve for x
    x = 304,451,229.05/19,990.34
  6. Step 6: Final answer
    x = 15,229.92

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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.