Home / 17,408.39-26,112.38-4,260.74

Finding the Fourth Proportional to 17,408.39, 26,112.38 and 4,260.74

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Solution

The fourth proportional to 17,408.39, 26,112.38 and 4,260.74 is: 6,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.39 : 26,112.38 = 4,260.74 : x
  2. Step 2: Convert to fraction form
    17,408.39/26,112.38 = 4,260.74/x
  3. Step 3: Cross multiply
    17,408.39x = 26,112.38 × 4,260.74
  4. Step 4: Simplify right side
    17,408.39x = 111,257,910.10
  5. Step 5: Solve for x
    x = 111,257,910.10/17,408.39
  6. Step 6: Final answer
    x = 6,391.05

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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.