Home / 19,910.62-27,476.08-10,958.12

Finding the Fourth Proportional to 19,910.62, 27,476.08 and 10,958.12

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Solution

The fourth proportional to 19,910.62, 27,476.08 and 10,958.12 is: 15,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.62 : 27,476.08 = 10,958.12 : x
  2. Step 2: Convert to fraction form
    19,910.62/27,476.08 = 10,958.12/x
  3. Step 3: Cross multiply
    19,910.62x = 27,476.08 × 10,958.12
  4. Step 4: Simplify right side
    19,910.62x = 301,086,126.98
  5. Step 5: Solve for x
    x = 301,086,126.98/19,910.62
  6. Step 6: Final answer
    x = 15,121.89

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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.