Home / 14,663.37-20,231.78-8,694.75

Finding the Fourth Proportional to 14,663.37, 20,231.78 and 8,694.75

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Solution

The fourth proportional to 14,663.37, 20,231.78 and 8,694.75 is: 11,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.37 : 20,231.78 = 8,694.75 : x
  2. Step 2: Convert to fraction form
    14,663.37/20,231.78 = 8,694.75/x
  3. Step 3: Cross multiply
    14,663.37x = 20,231.78 × 8,694.75
  4. Step 4: Simplify right side
    14,663.37x = 175,910,225.68
  5. Step 5: Solve for x
    x = 175,910,225.68/14,663.37
  6. Step 6: Final answer
    x = 11,996.58

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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.