Home / 13,313.58-19,971.57-3,452.82

Finding the Fourth Proportional to 13,313.58, 19,971.57 and 3,452.82

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Solution

The fourth proportional to 13,313.58, 19,971.57 and 3,452.82 is: 5,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.58 : 19,971.57 = 3,452.82 : x
  2. Step 2: Convert to fraction form
    13,313.58/19,971.57 = 3,452.82/x
  3. Step 3: Cross multiply
    13,313.58x = 19,971.57 × 3,452.82
  4. Step 4: Simplify right side
    13,313.58x = 68,958,236.33
  5. Step 5: Solve for x
    x = 68,958,236.33/13,313.58
  6. Step 6: Final answer
    x = 5,179.54

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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.