Home / 13,374.99-18,452.66-8,067.87

Finding the Fourth Proportional to 13,374.99, 18,452.66 and 8,067.87

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Solution

The fourth proportional to 13,374.99, 18,452.66 and 8,067.87 is: 11,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.99 : 18,452.66 = 8,067.87 : x
  2. Step 2: Convert to fraction form
    13,374.99/18,452.66 = 8,067.87/x
  3. Step 3: Cross multiply
    13,374.99x = 18,452.66 × 8,067.87
  4. Step 4: Simplify right side
    13,374.99x = 148,873,621.69
  5. Step 5: Solve for x
    x = 148,873,621.69/13,374.99
  6. Step 6: Final answer
    x = 11,130.75

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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.