Home / 17,187.07-25,788.89-8,867.47

Finding the Fourth Proportional to 17,187.07, 25,788.89 and 8,867.47

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Solution

The fourth proportional to 17,187.07, 25,788.89 and 8,867.47 is: 13,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.07 : 25,788.89 = 8,867.47 : x
  2. Step 2: Convert to fraction form
    17,187.07/25,788.89 = 8,867.47/x
  3. Step 3: Cross multiply
    17,187.07x = 25,788.89 × 8,867.47
  4. Step 4: Simplify right side
    17,187.07x = 228,682,164.07
  5. Step 5: Solve for x
    x = 228,682,164.07/17,187.07
  6. Step 6: Final answer
    x = 13,305.48

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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.