Home / 13,656.33-20,485.61-3,795.62

Finding the Fourth Proportional to 13,656.33, 20,485.61 and 3,795.62

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Solution

The fourth proportional to 13,656.33, 20,485.61 and 3,795.62 is: 5,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.33 : 20,485.61 = 3,795.62 : x
  2. Step 2: Convert to fraction form
    13,656.33/20,485.61 = 3,795.62/x
  3. Step 3: Cross multiply
    13,656.33x = 20,485.61 × 3,795.62
  4. Step 4: Simplify right side
    13,656.33x = 77,755,469.62
  5. Step 5: Solve for x
    x = 77,755,469.62/13,656.33
  6. Step 6: Final answer
    x = 5,693.73

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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.