Home / 21,902.39-32,858.46-6,320.01

Finding the Fourth Proportional to 21,902.39, 32,858.46 and 6,320.01

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Solution

The fourth proportional to 21,902.39, 32,858.46 and 6,320.01 is: 9,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902.39 : 32,858.46 = 6,320.01 : x
  2. Step 2: Convert to fraction form
    21,902.39/32,858.46 = 6,320.01/x
  3. Step 3: Cross multiply
    21,902.39x = 32,858.46 × 6,320.01
  4. Step 4: Simplify right side
    21,902.39x = 207,665,795.78
  5. Step 5: Solve for x
    x = 207,665,795.78/21,902.39
  6. Step 6: Final answer
    x = 9,481.42

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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.