Home / 13,857.62-20,795.54-5,092.61

Finding the Fourth Proportional to 13,857.62, 20,795.54 and 5,092.61

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Solution

The fourth proportional to 13,857.62, 20,795.54 and 5,092.61 is: 7,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857.62 : 20,795.54 = 5,092.61 : x
  2. Step 2: Convert to fraction form
    13,857.62/20,795.54 = 5,092.61/x
  3. Step 3: Cross multiply
    13,857.62x = 20,795.54 × 5,092.61
  4. Step 4: Simplify right side
    13,857.62x = 105,903,445.52
  5. Step 5: Solve for x
    x = 105,903,445.52/13,857.62
  6. Step 6: Final answer
    x = 7,642.26

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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.