Home / 13,588.96-20,383.26-3,728.23

Finding the Fourth Proportional to 13,588.96, 20,383.26 and 3,728.23

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Solution

The fourth proportional to 13,588.96, 20,383.26 and 3,728.23 is: 5,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.96 : 20,383.26 = 3,728.23 : x
  2. Step 2: Convert to fraction form
    13,588.96/20,383.26 = 3,728.23/x
  3. Step 3: Cross multiply
    13,588.96x = 20,383.26 × 3,728.23
  4. Step 4: Simplify right side
    13,588.96x = 75,993,481.43
  5. Step 5: Solve for x
    x = 75,993,481.43/13,588.96
  6. Step 6: Final answer
    x = 5,592.30

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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.