Home / 15,986.22-23,986.24-8,582.03

Finding the Fourth Proportional to 15,986.22, 23,986.24 and 8,582.03

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Solution

The fourth proportional to 15,986.22, 23,986.24 and 8,582.03 is: 12,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.22 : 23,986.24 = 8,582.03 : x
  2. Step 2: Convert to fraction form
    15,986.22/23,986.24 = 8,582.03/x
  3. Step 3: Cross multiply
    15,986.22x = 23,986.24 × 8,582.03
  4. Step 4: Simplify right side
    15,986.22x = 205,850,631.27
  5. Step 5: Solve for x
    x = 205,850,631.27/15,986.22
  6. Step 6: Final answer
    x = 12,876.75

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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.