Home / 36,683.52-55,028.92-13,311.78

Finding the Fourth Proportional to 36,683.52, 55,028.92 and 13,311.78

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Solution

The fourth proportional to 36,683.52, 55,028.92 and 13,311.78 is: 19,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.52 : 55,028.92 = 13,311.78 : x
  2. Step 2: Convert to fraction form
    36,683.52/55,028.92 = 13,311.78/x
  3. Step 3: Cross multiply
    36,683.52x = 55,028.92 × 13,311.78
  4. Step 4: Simplify right side
    36,683.52x = 732,532,876.68
  5. Step 5: Solve for x
    x = 732,532,876.68/36,683.52
  6. Step 6: Final answer
    x = 19,968.99

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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.