Home / 14,064.54-19,408.38-7,691.46

Finding the Fourth Proportional to 14,064.54, 19,408.38 and 7,691.46

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Solution

The fourth proportional to 14,064.54, 19,408.38 and 7,691.46 is: 10,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.54 : 19,408.38 = 7,691.46 : x
  2. Step 2: Convert to fraction form
    14,064.54/19,408.38 = 7,691.46/x
  3. Step 3: Cross multiply
    14,064.54x = 19,408.38 × 7,691.46
  4. Step 4: Simplify right side
    14,064.54x = 149,278,778.43
  5. Step 5: Solve for x
    x = 149,278,778.43/14,064.54
  6. Step 6: Final answer
    x = 10,613.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.