Home / 19,270.66-28,893.61-8,174.37

Finding the Fourth Proportional to 19,270.66, 28,893.61 and 8,174.37

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Solution

The fourth proportional to 19,270.66, 28,893.61 and 8,174.37 is: 12,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.66 : 28,893.61 = 8,174.37 : x
  2. Step 2: Convert to fraction form
    19,270.66/28,893.61 = 8,174.37/x
  3. Step 3: Cross multiply
    19,270.66x = 28,893.61 × 8,174.37
  4. Step 4: Simplify right side
    19,270.66x = 236,187,014.82
  5. Step 5: Solve for x
    x = 236,187,014.82/19,270.66
  6. Step 6: Final answer
    x = 12,256.30

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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.