Home / 27,684.44-38,203.99-15,109.28

Finding the Fourth Proportional to 27,684.44, 38,203.99 and 15,109.28

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Solution

The fourth proportional to 27,684.44, 38,203.99 and 15,109.28 is: 20,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.44 : 38,203.99 = 15,109.28 : x
  2. Step 2: Convert to fraction form
    27,684.44/38,203.99 = 15,109.28/x
  3. Step 3: Cross multiply
    27,684.44x = 38,203.99 × 15,109.28
  4. Step 4: Simplify right side
    27,684.44x = 577,234,553.23
  5. Step 5: Solve for x
    x = 577,234,553.23/27,684.44
  6. Step 6: Final answer
    x = 20,850.51

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Half scale
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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.