Home / 13,067.85-18,031.55-8,593.41

Finding the Fourth Proportional to 13,067.85, 18,031.55 and 8,593.41

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Solution

The fourth proportional to 13,067.85, 18,031.55 and 8,593.41 is: 11,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.85 : 18,031.55 = 8,593.41 : x
  2. Step 2: Convert to fraction form
    13,067.85/18,031.55 = 8,593.41/x
  3. Step 3: Cross multiply
    13,067.85x = 18,031.55 × 8,593.41
  4. Step 4: Simplify right side
    13,067.85x = 154,952,459.12
  5. Step 5: Solve for x
    x = 154,952,459.12/13,067.85
  6. Step 6: Final answer
    x = 11,857.53

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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.