Home / 19,749.69-27,251.52-11,250.73

Finding the Fourth Proportional to 19,749.69, 27,251.52 and 11,250.73

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Solution

The fourth proportional to 19,749.69, 27,251.52 and 11,250.73 is: 15,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.69 : 27,251.52 = 11,250.73 : x
  2. Step 2: Convert to fraction form
    19,749.69/27,251.52 = 11,250.73/x
  3. Step 3: Cross multiply
    19,749.69x = 27,251.52 × 11,250.73
  4. Step 4: Simplify right side
    19,749.69x = 306,599,493.61
  5. Step 5: Solve for x
    x = 306,599,493.61/19,749.69
  6. Step 6: Final answer
    x = 15,524.27

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Half scale
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Double scale
Find fourth proportional to 19,750.69, 27,252.90 and 11,251.73
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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.