Home / 17,178.27-25,732.02-8,267.28

Finding the Fourth Proportional to 17,178.27, 25,732.02 and 8,267.28

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Solution

The fourth proportional to 17,178.27, 25,732.02 and 8,267.28 is: 12,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.27 : 25,732.02 = 8,267.28 : x
  2. Step 2: Convert to fraction form
    17,178.27/25,732.02 = 8,267.28/x
  3. Step 3: Cross multiply
    17,178.27x = 25,732.02 × 8,267.28
  4. Step 4: Simplify right side
    17,178.27x = 212,733,814.31
  5. Step 5: Solve for x
    x = 212,733,814.31/17,178.27
  6. Step 6: Final answer
    x = 12,383.89

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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.