Home / 17,936.45-26,909.30-7,408.10

Finding the Fourth Proportional to 17,936.45, 26,909.30 and 7,408.10

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Solution

The fourth proportional to 17,936.45, 26,909.30 and 7,408.10 is: 11,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936.45 : 26,909.30 = 7,408.10 : x
  2. Step 2: Convert to fraction form
    17,936.45/26,909.30 = 7,408.10/x
  3. Step 3: Cross multiply
    17,936.45x = 26,909.30 × 7,408.10
  4. Step 4: Simplify right side
    17,936.45x = 199,346,613.74
  5. Step 5: Solve for x
    x = 199,346,613.74/17,936.45
  6. Step 6: Final answer
    x = 11,114.05

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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.