Home / 19,189.29-26,481.09-11,229.96

Finding the Fourth Proportional to 19,189.29, 26,481.09 and 11,229.96

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Solution

The fourth proportional to 19,189.29, 26,481.09 and 11,229.96 is: 15,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.29 : 26,481.09 = 11,229.96 : x
  2. Step 2: Convert to fraction form
    19,189.29/26,481.09 = 11,229.96/x
  3. Step 3: Cross multiply
    19,189.29x = 26,481.09 × 11,229.96
  4. Step 4: Simplify right side
    19,189.29x = 297,381,581.46
  5. Step 5: Solve for x
    x = 297,381,581.46/19,189.29
  6. Step 6: Final answer
    x = 15,497.27

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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.