Home / 17,489.10-24,115.90-11,813.99

Finding the Fourth Proportional to 17,489.10, 24,115.90 and 11,813.99

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Solution

The fourth proportional to 17,489.10, 24,115.90 and 11,813.99 is: 16,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.10 : 24,115.90 = 11,813.99 : x
  2. Step 2: Convert to fraction form
    17,489.10/24,115.90 = 11,813.99/x
  3. Step 3: Cross multiply
    17,489.10x = 24,115.90 × 11,813.99
  4. Step 4: Simplify right side
    17,489.10x = 284,904,942.37
  5. Step 5: Solve for x
    x = 284,904,942.37/17,489.10
  6. Step 6: Final answer
    x = 16,290.43

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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.