Home / 17,431.22-26,158.26-10,406

Finding the Fourth Proportional to 17,431.22, 26,158.26 and 10,406

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Solution

The fourth proportional to 17,431.22, 26,158.26 and 10,406 is: 15,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.22 : 26,158.26 = 10,406 : x
  2. Step 2: Convert to fraction form
    17,431.22/26,158.26 = 10,406/x
  3. Step 3: Cross multiply
    17,431.22x = 26,158.26 × 10,406
  4. Step 4: Simplify right side
    17,431.22x = 272,202,853.56
  5. Step 5: Solve for x
    x = 272,202,853.56/17,431.22
  6. Step 6: Final answer
    x = 15,615.82

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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.