Home / 13,067.19-18,027.81-8,027.37

Finding the Fourth Proportional to 13,067.19, 18,027.81 and 8,027.37

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Solution

The fourth proportional to 13,067.19, 18,027.81 and 8,027.37 is: 11,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.19 : 18,027.81 = 8,027.37 : x
  2. Step 2: Convert to fraction form
    13,067.19/18,027.81 = 8,027.37/x
  3. Step 3: Cross multiply
    13,067.19x = 18,027.81 × 8,027.37
  4. Step 4: Simplify right side
    13,067.19x = 144,715,901.16
  5. Step 5: Solve for x
    x = 144,715,901.16/13,067.19
  6. Step 6: Final answer
    x = 11,074.75

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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.