Home / 13,536.33-20,281.26-12,166.77

Finding the Fourth Proportional to 13,536.33, 20,281.26 and 12,166.77

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Solution

The fourth proportional to 13,536.33, 20,281.26 and 12,166.77 is: 18,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.33 : 20,281.26 = 12,166.77 : x
  2. Step 2: Convert to fraction form
    13,536.33/20,281.26 = 12,166.77/x
  3. Step 3: Cross multiply
    13,536.33x = 20,281.26 × 12,166.77
  4. Step 4: Simplify right side
    13,536.33x = 246,757,425.73
  5. Step 5: Solve for x
    x = 246,757,425.73/13,536.33
  6. Step 6: Final answer
    x = 18,229.27

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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.