Home / 19,889.39-27,447.44-10,936.68

Finding the Fourth Proportional to 19,889.39, 27,447.44 and 10,936.68

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Solution

The fourth proportional to 19,889.39, 27,447.44 and 10,936.68 is: 15,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.39 : 27,447.44 = 10,936.68 : x
  2. Step 2: Convert to fraction form
    19,889.39/27,447.44 = 10,936.68/x
  3. Step 3: Cross multiply
    19,889.39x = 27,447.44 × 10,936.68
  4. Step 4: Simplify right side
    19,889.39x = 300,183,813.42
  5. Step 5: Solve for x
    x = 300,183,813.42/19,889.39
  6. Step 6: Final answer
    x = 15,092.66

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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.