Home / 12,791.34-19,187.01-4,027.14

Finding the Fourth Proportional to 12,791.34, 19,187.01 and 4,027.14

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Solution

The fourth proportional to 12,791.34, 19,187.01 and 4,027.14 is: 6,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.34 : 19,187.01 = 4,027.14 : x
  2. Step 2: Convert to fraction form
    12,791.34/19,187.01 = 4,027.14/x
  3. Step 3: Cross multiply
    12,791.34x = 19,187.01 × 4,027.14
  4. Step 4: Simplify right side
    12,791.34x = 77,268,775.45
  5. Step 5: Solve for x
    x = 77,268,775.45/12,791.34
  6. Step 6: Final answer
    x = 6,040.71

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.