Home / 19,717.38-27,209.79-10,765.17

Finding the Fourth Proportional to 19,717.38, 27,209.79 and 10,765.17

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Solution

The fourth proportional to 19,717.38, 27,209.79 and 10,765.17 is: 14,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.38 : 27,209.79 = 10,765.17 : x
  2. Step 2: Convert to fraction form
    19,717.38/27,209.79 = 10,765.17/x
  3. Step 3: Cross multiply
    19,717.38x = 27,209.79 × 10,765.17
  4. Step 4: Simplify right side
    19,717.38x = 292,918,015.01
  5. Step 5: Solve for x
    x = 292,918,015.01/19,717.38
  6. Step 6: Final answer
    x = 14,855.83

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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.