Home / 17,540.70-26,314.61-6,447.48

Finding the Fourth Proportional to 17,540.70, 26,314.61 and 6,447.48

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Solution

The fourth proportional to 17,540.70, 26,314.61 and 6,447.48 is: 9,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.70 : 26,314.61 = 6,447.48 : x
  2. Step 2: Convert to fraction form
    17,540.70/26,314.61 = 6,447.48/x
  3. Step 3: Cross multiply
    17,540.70x = 26,314.61 × 6,447.48
  4. Step 4: Simplify right side
    17,540.70x = 169,662,889.45
  5. Step 5: Solve for x
    x = 169,662,889.45/17,540.70
  6. Step 6: Final answer
    x = 9,672.53

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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.