Home / 13,462.22-18,585.83-11,965.82

Finding the Fourth Proportional to 13,462.22, 18,585.83 and 11,965.82

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Solution

The fourth proportional to 13,462.22, 18,585.83 and 11,965.82 is: 16,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.22 : 18,585.83 = 11,965.82 : x
  2. Step 2: Convert to fraction form
    13,462.22/18,585.83 = 11,965.82/x
  3. Step 3: Cross multiply
    13,462.22x = 18,585.83 × 11,965.82
  4. Step 4: Simplify right side
    13,462.22x = 222,394,579.77
  5. Step 5: Solve for x
    x = 222,394,579.77/13,462.22
  6. Step 6: Final answer
    x = 16,519.90

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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.