Home / 20,582.29-30,858.45-6,537.70

Finding the Fourth Proportional to 20,582.29, 30,858.45 and 6,537.70

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Solution

The fourth proportional to 20,582.29, 30,858.45 and 6,537.70 is: 9,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.29 : 30,858.45 = 6,537.70 : x
  2. Step 2: Convert to fraction form
    20,582.29/30,858.45 = 6,537.70/x
  3. Step 3: Cross multiply
    20,582.29x = 30,858.45 × 6,537.70
  4. Step 4: Simplify right side
    20,582.29x = 201,743,288.57
  5. Step 5: Solve for x
    x = 201,743,288.57/20,582.29
  6. Step 6: Final answer
    x = 9,801.79

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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.