Home / 27,188.01-37,520.69-15,857.73

Finding the Fourth Proportional to 27,188.01, 37,520.69 and 15,857.73

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Solution

The fourth proportional to 27,188.01, 37,520.69 and 15,857.73 is: 21,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.01 : 37,520.69 = 15,857.73 : x
  2. Step 2: Convert to fraction form
    27,188.01/37,520.69 = 15,857.73/x
  3. Step 3: Cross multiply
    27,188.01x = 37,520.69 × 15,857.73
  4. Step 4: Simplify right side
    27,188.01x = 594,992,892.15
  5. Step 5: Solve for x
    x = 594,992,892.15/27,188.01
  6. Step 6: Final answer
    x = 21,884.39

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Half scale
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Double scale
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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.