Home / 17,208.78-25,769.43-11,347.62

Finding the Fourth Proportional to 17,208.78, 25,769.43 and 11,347.62

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Solution

The fourth proportional to 17,208.78, 25,769.43 and 11,347.62 is: 16,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.78 : 25,769.43 = 11,347.62 : x
  2. Step 2: Convert to fraction form
    17,208.78/25,769.43 = 11,347.62/x
  3. Step 3: Cross multiply
    17,208.78x = 25,769.43 × 11,347.62
  4. Step 4: Simplify right side
    17,208.78x = 292,421,699.26
  5. Step 5: Solve for x
    x = 292,421,699.26/17,208.78
  6. Step 6: Final answer
    x = 16,992.59

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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.