Home / 17,910.50-24,723.09-15,382.44

Finding the Fourth Proportional to 17,910.50, 24,723.09 and 15,382.44

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Solution

The fourth proportional to 17,910.50, 24,723.09 and 15,382.44 is: 21,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.50 : 24,723.09 = 15,382.44 : x
  2. Step 2: Convert to fraction form
    17,910.50/24,723.09 = 15,382.44/x
  3. Step 3: Cross multiply
    17,910.50x = 24,723.09 × 15,382.44
  4. Step 4: Simplify right side
    17,910.50x = 380,301,448.54
  5. Step 5: Solve for x
    x = 380,301,448.54/17,910.50
  6. Step 6: Final answer
    x = 21,233.44

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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.