Home / 13,091.80-19,633.62-4,324.60

Finding the Fourth Proportional to 13,091.80, 19,633.62 and 4,324.60

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Solution

The fourth proportional to 13,091.80, 19,633.62 and 4,324.60 is: 6,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.80 : 19,633.62 = 4,324.60 : x
  2. Step 2: Convert to fraction form
    13,091.80/19,633.62 = 4,324.60/x
  3. Step 3: Cross multiply
    13,091.80x = 19,633.62 × 4,324.60
  4. Step 4: Simplify right side
    13,091.80x = 84,907,553.05
  5. Step 5: Solve for x
    x = 84,907,553.05/13,091.80
  6. Step 6: Final answer
    x = 6,485.55

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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.