Home / 36,911.43-55,353.51-13,212.56

Finding the Fourth Proportional to 36,911.43, 55,353.51 and 13,212.56

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Solution

The fourth proportional to 36,911.43, 55,353.51 and 13,212.56 is: 19,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.43 : 55,353.51 = 13,212.56 : x
  2. Step 2: Convert to fraction form
    36,911.43/55,353.51 = 13,212.56/x
  3. Step 3: Cross multiply
    36,911.43x = 55,353.51 × 13,212.56
  4. Step 4: Simplify right side
    36,911.43x = 731,361,572.09
  5. Step 5: Solve for x
    x = 731,361,572.09/36,911.43
  6. Step 6: Final answer
    x = 19,813.96

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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.