Home / 14,092.26-21,124.38-7,855.11

Finding the Fourth Proportional to 14,092.26, 21,124.38 and 7,855.11

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Solution

The fourth proportional to 14,092.26, 21,124.38 and 7,855.11 is: 11,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.26 : 21,124.38 = 7,855.11 : x
  2. Step 2: Convert to fraction form
    14,092.26/21,124.38 = 7,855.11/x
  3. Step 3: Cross multiply
    14,092.26x = 21,124.38 × 7,855.11
  4. Step 4: Simplify right side
    14,092.26x = 165,934,328.58
  5. Step 5: Solve for x
    x = 165,934,328.58/14,092.26
  6. Step 6: Final answer
    x = 11,774.86

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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.