Home / 20,176.14-27,843.29-11,101.62

Finding the Fourth Proportional to 20,176.14, 27,843.29 and 11,101.62

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Solution

The fourth proportional to 20,176.14, 27,843.29 and 11,101.62 is: 15,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.14 : 27,843.29 = 11,101.62 : x
  2. Step 2: Convert to fraction form
    20,176.14/27,843.29 = 11,101.62/x
  3. Step 3: Cross multiply
    20,176.14x = 27,843.29 × 11,101.62
  4. Step 4: Simplify right side
    20,176.14x = 309,105,611.25
  5. Step 5: Solve for x
    x = 309,105,611.25/20,176.14
  6. Step 6: Final answer
    x = 15,320.35

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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.