Home / 20,855.59-31,286.52-6,062.59

Finding the Fourth Proportional to 20,855.59, 31,286.52 and 6,062.59

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Solution

The fourth proportional to 20,855.59, 31,286.52 and 6,062.59 is: 9,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855.59 : 31,286.52 = 6,062.59 : x
  2. Step 2: Convert to fraction form
    20,855.59/31,286.52 = 6,062.59/x
  3. Step 3: Cross multiply
    20,855.59x = 31,286.52 × 6,062.59
  4. Step 4: Simplify right side
    20,855.59x = 189,677,206.41
  5. Step 5: Solve for x
    x = 189,677,206.41/20,855.59
  6. Step 6: Final answer
    x = 9,094.79

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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.