Home / 13,469.06-20,203.59-3,608.09

Finding the Fourth Proportional to 13,469.06, 20,203.59 and 3,608.09

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Solution

The fourth proportional to 13,469.06, 20,203.59 and 3,608.09 is: 5,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.06 : 20,203.59 = 3,608.09 : x
  2. Step 2: Convert to fraction form
    13,469.06/20,203.59 = 3,608.09/x
  3. Step 3: Cross multiply
    13,469.06x = 20,203.59 × 3,608.09
  4. Step 4: Simplify right side
    13,469.06x = 72,896,270.03
  5. Step 5: Solve for x
    x = 72,896,270.03/13,469.06
  6. Step 6: Final answer
    x = 5,412.13

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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.