Home / 19,486.54-26,892.03-11,102.50

Finding the Fourth Proportional to 19,486.54, 26,892.03 and 11,102.50

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Solution

The fourth proportional to 19,486.54, 26,892.03 and 11,102.50 is: 15,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.54 : 26,892.03 = 11,102.50 : x
  2. Step 2: Convert to fraction form
    19,486.54/26,892.03 = 11,102.50/x
  3. Step 3: Cross multiply
    19,486.54x = 26,892.03 × 11,102.50
  4. Step 4: Simplify right side
    19,486.54x = 298,568,763.08
  5. Step 5: Solve for x
    x = 298,568,763.08/19,486.54
  6. Step 6: Final answer
    x = 15,321.79

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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.