Home / 13,453.21-20,179.82-3,592.54

Finding the Fourth Proportional to 13,453.21, 20,179.82 and 3,592.54

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Solution

The fourth proportional to 13,453.21, 20,179.82 and 3,592.54 is: 5,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.21 : 20,179.82 = 3,592.54 : x
  2. Step 2: Convert to fraction form
    13,453.21/20,179.82 = 3,592.54/x
  3. Step 3: Cross multiply
    13,453.21x = 20,179.82 × 3,592.54
  4. Step 4: Simplify right side
    13,453.21x = 72,496,810.54
  5. Step 5: Solve for x
    x = 72,496,810.54/13,453.21
  6. Step 6: Final answer
    x = 5,388.81

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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.