Home / 16,858.28-25,278.91-8,965.37

Finding the Fourth Proportional to 16,858.28, 25,278.91 and 8,965.37

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Solution

The fourth proportional to 16,858.28, 25,278.91 and 8,965.37 is: 13,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.28 : 25,278.91 = 8,965.37 : x
  2. Step 2: Convert to fraction form
    16,858.28/25,278.91 = 8,965.37/x
  3. Step 3: Cross multiply
    16,858.28x = 25,278.91 × 8,965.37
  4. Step 4: Simplify right side
    16,858.28x = 226,634,781.35
  5. Step 5: Solve for x
    x = 226,634,781.35/16,858.28
  6. Step 6: Final answer
    x = 13,443.53

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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.