Home / 16,515.70-22,791.58-8,962.25

Finding the Fourth Proportional to 16,515.70, 22,791.58 and 8,962.25

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Solution

The fourth proportional to 16,515.70, 22,791.58 and 8,962.25 is: 12,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.70 : 22,791.58 = 8,962.25 : x
  2. Step 2: Convert to fraction form
    16,515.70/22,791.58 = 8,962.25/x
  3. Step 3: Cross multiply
    16,515.70x = 22,791.58 × 8,962.25
  4. Step 4: Simplify right side
    16,515.70x = 204,263,701.49
  5. Step 5: Solve for x
    x = 204,263,701.49/16,515.70
  6. Step 6: Final answer
    x = 12,367.85

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1.5x scale

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.