Home / 13,736.54-20,553.75-8,192.90

Finding the Fourth Proportional to 13,736.54, 20,553.75 and 8,192.90

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Solution

The fourth proportional to 13,736.54, 20,553.75 and 8,192.90 is: 12,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.54 : 20,553.75 = 8,192.90 : x
  2. Step 2: Convert to fraction form
    13,736.54/20,553.75 = 8,192.90/x
  3. Step 3: Cross multiply
    13,736.54x = 20,553.75 × 8,192.90
  4. Step 4: Simplify right side
    13,736.54x = 168,394,818.38
  5. Step 5: Solve for x
    x = 168,394,818.38/13,736.54
  6. Step 6: Final answer
    x = 12,258.90

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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.