Home / 20,855.62-31,286.48-6,062.62

Finding the Fourth Proportional to 20,855.62, 31,286.48 and 6,062.62

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Solution

The fourth proportional to 20,855.62, 31,286.48 and 6,062.62 is: 9,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855.62 : 31,286.48 = 6,062.62 : x
  2. Step 2: Convert to fraction form
    20,855.62/31,286.48 = 6,062.62/x
  3. Step 3: Cross multiply
    20,855.62x = 31,286.48 × 6,062.62
  4. Step 4: Simplify right side
    20,855.62x = 189,677,852.63
  5. Step 5: Solve for x
    x = 189,677,852.63/20,855.62
  6. Step 6: Final answer
    x = 9,094.81

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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.