Home / 17,419.22-26,139.21-6,326.78

Finding the Fourth Proportional to 17,419.22, 26,139.21 and 6,326.78

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Solution

The fourth proportional to 17,419.22, 26,139.21 and 6,326.78 is: 9,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.22 : 26,139.21 = 6,326.78 : x
  2. Step 2: Convert to fraction form
    17,419.22/26,139.21 = 6,326.78/x
  3. Step 3: Cross multiply
    17,419.22x = 26,139.21 × 6,326.78
  4. Step 4: Simplify right side
    17,419.22x = 165,376,900.35
  5. Step 5: Solve for x
    x = 165,376,900.35/17,419.22
  6. Step 6: Final answer
    x = 9,493.94

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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.