Home / 17,487.46-26,231.38-13,999.64

Finding the Fourth Proportional to 17,487.46, 26,231.38 and 13,999.64

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Solution

The fourth proportional to 17,487.46, 26,231.38 and 13,999.64 is: 20,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.46 : 26,231.38 = 13,999.64 : x
  2. Step 2: Convert to fraction form
    17,487.46/26,231.38 = 13,999.64/x
  3. Step 3: Cross multiply
    17,487.46x = 26,231.38 × 13,999.64
  4. Step 4: Simplify right side
    17,487.46x = 367,229,876.70
  5. Step 5: Solve for x
    x = 367,229,876.70/17,487.46
  6. Step 6: Final answer
    x = 20,999.61

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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.