Home / 19,819.32-29,699.82-11,042.16

Finding the Fourth Proportional to 19,819.32, 29,699.82 and 11,042.16

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Solution

The fourth proportional to 19,819.32, 29,699.82 and 11,042.16 is: 16,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.32 : 29,699.82 = 11,042.16 : x
  2. Step 2: Convert to fraction form
    19,819.32/29,699.82 = 11,042.16/x
  3. Step 3: Cross multiply
    19,819.32x = 29,699.82 × 11,042.16
  4. Step 4: Simplify right side
    19,819.32x = 327,950,164.41
  5. Step 5: Solve for x
    x = 327,950,164.41/19,819.32
  6. Step 6: Final answer
    x = 16,546.99

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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.