Home / 20,620.18-30,932.52-6,576.94

Finding the Fourth Proportional to 20,620.18, 30,932.52 and 6,576.94

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Solution

The fourth proportional to 20,620.18, 30,932.52 and 6,576.94 is: 9,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620.18 : 30,932.52 = 6,576.94 : x
  2. Step 2: Convert to fraction form
    20,620.18/30,932.52 = 6,576.94/x
  3. Step 3: Cross multiply
    20,620.18x = 30,932.52 × 6,576.94
  4. Step 4: Simplify right side
    20,620.18x = 203,441,328.09
  5. Step 5: Solve for x
    x = 203,441,328.09/20,620.18
  6. Step 6: Final answer
    x = 9,866.13

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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.