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Finding the Fourth Proportional to 18,796.34, 25,929.11 and 11,623.97

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Solution

The fourth proportional to 18,796.34, 25,929.11 and 11,623.97 is: 16,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.34 : 25,929.11 = 11,623.97 : x
  2. Step 2: Convert to fraction form
    18,796.34/25,929.11 = 11,623.97/x
  3. Step 3: Cross multiply
    18,796.34x = 25,929.11 × 11,623.97
  4. Step 4: Simplify right side
    18,796.34x = 301,399,290.65
  5. Step 5: Solve for x
    x = 301,399,290.65/18,796.34
  6. Step 6: Final answer
    x = 16,035.00

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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.