Home / 17,408.88-26,090.28-8,155.44

Finding the Fourth Proportional to 17,408.88, 26,090.28 and 8,155.44

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Solution

The fourth proportional to 17,408.88, 26,090.28 and 8,155.44 is: 12,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.88 : 26,090.28 = 8,155.44 : x
  2. Step 2: Convert to fraction form
    17,408.88/26,090.28 = 8,155.44/x
  3. Step 3: Cross multiply
    17,408.88x = 26,090.28 × 8,155.44
  4. Step 4: Simplify right side
    17,408.88x = 212,777,713.12
  5. Step 5: Solve for x
    x = 212,777,713.12/17,408.88
  6. Step 6: Final answer
    x = 12,222.37

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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.