Home / 18,481.08-25,504.94-11,407.62

Finding the Fourth Proportional to 18,481.08, 25,504.94 and 11,407.62

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Solution

The fourth proportional to 18,481.08, 25,504.94 and 11,407.62 is: 15,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.08 : 25,504.94 = 11,407.62 : x
  2. Step 2: Convert to fraction form
    18,481.08/25,504.94 = 11,407.62/x
  3. Step 3: Cross multiply
    18,481.08x = 25,504.94 × 11,407.62
  4. Step 4: Simplify right side
    18,481.08x = 290,950,663.64
  5. Step 5: Solve for x
    x = 290,950,663.64/18,481.08
  6. Step 6: Final answer
    x = 15,743.16

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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.