Home / 31,524.11-43,495.58-18,769.10

Finding the Fourth Proportional to 31,524.11, 43,495.58 and 18,769.10

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Solution

The fourth proportional to 31,524.11, 43,495.58 and 18,769.10 is: 25,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.11 : 43,495.58 = 18,769.10 : x
  2. Step 2: Convert to fraction form
    31,524.11/43,495.58 = 18,769.10/x
  3. Step 3: Cross multiply
    31,524.11x = 43,495.58 × 18,769.10
  4. Step 4: Simplify right side
    31,524.11x = 816,372,890.58
  5. Step 5: Solve for x
    x = 816,372,890.58/31,524.11
  6. Step 6: Final answer
    x = 25,896.78

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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.