Home / 19,843.08-27,385.96-11,457.96

Finding the Fourth Proportional to 19,843.08, 27,385.96 and 11,457.96

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Solution

The fourth proportional to 19,843.08, 27,385.96 and 11,457.96 is: 15,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.08 : 27,385.96 = 11,457.96 : x
  2. Step 2: Convert to fraction form
    19,843.08/27,385.96 = 11,457.96/x
  3. Step 3: Cross multiply
    19,843.08x = 27,385.96 × 11,457.96
  4. Step 4: Simplify right side
    19,843.08x = 313,787,234.24
  5. Step 5: Solve for x
    x = 313,787,234.24/19,843.08
  6. Step 6: Final answer
    x = 15,813.43

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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.