Home / 17,372.22-26,072.34-9,054.78

Finding the Fourth Proportional to 17,372.22, 26,072.34 and 9,054.78

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Solution

The fourth proportional to 17,372.22, 26,072.34 and 9,054.78 is: 13,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.22 : 26,072.34 = 9,054.78 : x
  2. Step 2: Convert to fraction form
    17,372.22/26,072.34 = 9,054.78/x
  3. Step 3: Cross multiply
    17,372.22x = 26,072.34 × 9,054.78
  4. Step 4: Simplify right side
    17,372.22x = 236,079,302.79
  5. Step 5: Solve for x
    x = 236,079,302.79/17,372.22
  6. Step 6: Final answer
    x = 13,589.47

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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.