Home / 27,994.68-38,630.12-16,662.36

Finding the Fourth Proportional to 27,994.68, 38,630.12 and 16,662.36

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Solution

The fourth proportional to 27,994.68, 38,630.12 and 16,662.36 is: 22,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.68 : 38,630.12 = 16,662.36 : x
  2. Step 2: Convert to fraction form
    27,994.68/38,630.12 = 16,662.36/x
  3. Step 3: Cross multiply
    27,994.68x = 38,630.12 × 16,662.36
  4. Step 4: Simplify right side
    27,994.68x = 643,668,882.97
  5. Step 5: Solve for x
    x = 643,668,882.97/27,994.68
  6. Step 6: Final answer
    x = 22,992.54

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Double scale
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Similar ratio
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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.