Home / 16,845.45-25,286.60-6,991.59

Finding the Fourth Proportional to 16,845.45, 25,286.60 and 6,991.59

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Solution

The fourth proportional to 16,845.45, 25,286.60 and 6,991.59 is: 10,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.45 : 25,286.60 = 6,991.59 : x
  2. Step 2: Convert to fraction form
    16,845.45/25,286.60 = 6,991.59/x
  3. Step 3: Cross multiply
    16,845.45x = 25,286.60 × 6,991.59
  4. Step 4: Simplify right side
    16,845.45x = 176,793,539.69
  5. Step 5: Solve for x
    x = 176,793,539.69/16,845.45
  6. Step 6: Final answer
    x = 10,495.03

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1.5x scale

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.