Home / 20,543.94-30,815.82-7,396.26

Finding the Fourth Proportional to 20,543.94, 30,815.82 and 7,396.26

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Solution

The fourth proportional to 20,543.94, 30,815.82 and 7,396.26 is: 11,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.94 : 30,815.82 = 7,396.26 : x
  2. Step 2: Convert to fraction form
    20,543.94/30,815.82 = 7,396.26/x
  3. Step 3: Cross multiply
    20,543.94x = 30,815.82 × 7,396.26
  4. Step 4: Simplify right side
    20,543.94x = 227,921,816.83
  5. Step 5: Solve for x
    x = 227,921,816.83/20,543.94
  6. Step 6: Final answer
    x = 11,094.36

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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.