Home / 20,192.23-27,861.81-18,559.09

Finding the Fourth Proportional to 20,192.23, 27,861.81 and 18,559.09

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Solution

The fourth proportional to 20,192.23, 27,861.81 and 18,559.09 is: 25,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.23 : 27,861.81 = 18,559.09 : x
  2. Step 2: Convert to fraction form
    20,192.23/27,861.81 = 18,559.09/x
  3. Step 3: Cross multiply
    20,192.23x = 27,861.81 × 18,559.09
  4. Step 4: Simplify right side
    20,192.23x = 517,089,839.35
  5. Step 5: Solve for x
    x = 517,089,839.35/20,192.23
  6. Step 6: Final answer
    x = 25,608.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.