Home / 13,390.14-20,067.73-7,466.79

Finding the Fourth Proportional to 13,390.14, 20,067.73 and 7,466.79

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Solution

The fourth proportional to 13,390.14, 20,067.73 and 7,466.79 is: 11,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.14 : 20,067.73 = 7,466.79 : x
  2. Step 2: Convert to fraction form
    13,390.14/20,067.73 = 7,466.79/x
  3. Step 3: Cross multiply
    13,390.14x = 20,067.73 × 7,466.79
  4. Step 4: Simplify right side
    13,390.14x = 149,841,582.27
  5. Step 5: Solve for x
    x = 149,841,582.27/13,390.14
  6. Step 6: Final answer
    x = 11,190.44

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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.