Home / 20,804.20-31,196.82-6,009.59

Finding the Fourth Proportional to 20,804.20, 31,196.82 and 6,009.59

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Solution

The fourth proportional to 20,804.20, 31,196.82 and 6,009.59 is: 9,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804.20 : 31,196.82 = 6,009.59 : x
  2. Step 2: Convert to fraction form
    20,804.20/31,196.82 = 6,009.59/x
  3. Step 3: Cross multiply
    20,804.20x = 31,196.82 × 6,009.59
  4. Step 4: Simplify right side
    20,804.20x = 187,480,097.50
  5. Step 5: Solve for x
    x = 187,480,097.50/20,804.20
  6. Step 6: Final answer
    x = 9,011.65

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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.