Home / 19,936.70-27,511.40-10,983.71

Finding the Fourth Proportional to 19,936.70, 27,511.40 and 10,983.71

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Solution

The fourth proportional to 19,936.70, 27,511.40 and 10,983.71 is: 15,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.70 : 27,511.40 = 10,983.71 : x
  2. Step 2: Convert to fraction form
    19,936.70/27,511.40 = 10,983.71/x
  3. Step 3: Cross multiply
    19,936.70x = 27,511.40 × 10,983.71
  4. Step 4: Simplify right side
    19,936.70x = 302,177,046.82
  5. Step 5: Solve for x
    x = 302,177,046.82/19,936.70
  6. Step 6: Final answer
    x = 15,156.83

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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.