Home / 19,749.69-27,251.52-11,250.74

Finding the Fourth Proportional to 19,749.69, 27,251.52 and 11,250.74

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Solution

The fourth proportional to 19,749.69, 27,251.52 and 11,250.74 is: 15,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.69 : 27,251.52 = 11,250.74 : x
  2. Step 2: Convert to fraction form
    19,749.69/27,251.52 = 11,250.74/x
  3. Step 3: Cross multiply
    19,749.69x = 27,251.52 × 11,250.74
  4. Step 4: Simplify right side
    19,749.69x = 306,599,629.87
  5. Step 5: Solve for x
    x = 306,599,629.87/19,749.69
  6. Step 6: Final answer
    x = 15,524.28

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Half scale
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Double scale
Find fourth proportional to 19,750.69, 27,252.90 and 11,251.74
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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.