Home / 16,515.86-22,791.78-8,962.00

Finding the Fourth Proportional to 16,515.86, 22,791.78 and 8,962.00

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Solution

The fourth proportional to 16,515.86, 22,791.78 and 8,962.00 is: 12,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.86 : 22,791.78 = 8,962.00 : x
  2. Step 2: Convert to fraction form
    16,515.86/22,791.78 = 8,962.00/x
  3. Step 3: Cross multiply
    16,515.86x = 22,791.78 × 8,962.00
  4. Step 4: Simplify right side
    16,515.86x = 204,259,984.68
  5. Step 5: Solve for x
    x = 204,259,984.68/16,515.86
  6. Step 6: Final answer
    x = 12,367.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.