Home / 16,550.45-22,839.70-8,996.78

Finding the Fourth Proportional to 16,550.45, 22,839.70 and 8,996.78

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Solution

The fourth proportional to 16,550.45, 22,839.70 and 8,996.78 is: 12,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,550.45 : 22,839.70 = 8,996.78 : x
  2. Step 2: Convert to fraction form
    16,550.45/22,839.70 = 8,996.78/x
  3. Step 3: Cross multiply
    16,550.45x = 22,839.70 × 8,996.78
  4. Step 4: Simplify right side
    16,550.45x = 205,483,596.98
  5. Step 5: Solve for x
    x = 205,483,596.98/16,550.45
  6. Step 6: Final answer
    x = 12,415.59

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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.