Home / 19,910.82-27,476.32-10,958.32

Finding the Fourth Proportional to 19,910.82, 27,476.32 and 10,958.32

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Solution

The fourth proportional to 19,910.82, 27,476.32 and 10,958.32 is: 15,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.82 : 27,476.32 = 10,958.32 : x
  2. Step 2: Convert to fraction form
    19,910.82/27,476.32 = 10,958.32/x
  3. Step 3: Cross multiply
    19,910.82x = 27,476.32 × 10,958.32
  4. Step 4: Simplify right side
    19,910.82x = 301,094,306.98
  5. Step 5: Solve for x
    x = 301,094,306.98/19,910.82
  6. Step 6: Final answer
    x = 15,122.14

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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.