Home / 17,778.52-26,652.66-10,857.88

Finding the Fourth Proportional to 17,778.52, 26,652.66 and 10,857.88

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Solution

The fourth proportional to 17,778.52, 26,652.66 and 10,857.88 is: 16,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.52 : 26,652.66 = 10,857.88 : x
  2. Step 2: Convert to fraction form
    17,778.52/26,652.66 = 10,857.88/x
  3. Step 3: Cross multiply
    17,778.52x = 26,652.66 × 10,857.88
  4. Step 4: Simplify right side
    17,778.52x = 289,391,383.96
  5. Step 5: Solve for x
    x = 289,391,383.96/17,778.52
  6. Step 6: Final answer
    x = 16,277.59

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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.