Home / 45,249.17-67,860.99-13,650.66

Finding the Fourth Proportional to 45,249.17, 67,860.99 and 13,650.66

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Solution

The fourth proportional to 45,249.17, 67,860.99 and 13,650.66 is: 20,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.17 : 67,860.99 = 13,650.66 : x
  2. Step 2: Convert to fraction form
    45,249.17/67,860.99 = 13,650.66/x
  3. Step 3: Cross multiply
    45,249.17x = 67,860.99 × 13,650.66
  4. Step 4: Simplify right side
    45,249.17x = 926,347,301.75
  5. Step 5: Solve for x
    x = 926,347,301.75/45,249.17
  6. Step 6: Final answer
    x = 20,472.14

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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.