Home / 45,226.79-67,843.43-11,946.53

Finding the Fourth Proportional to 45,226.79, 67,843.43 and 11,946.53

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Solution

The fourth proportional to 45,226.79, 67,843.43 and 11,946.53 is: 17,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,226.79 : 67,843.43 = 11,946.53 : x
  2. Step 2: Convert to fraction form
    45,226.79/67,843.43 = 11,946.53/x
  3. Step 3: Cross multiply
    45,226.79x = 67,843.43 × 11,946.53
  4. Step 4: Simplify right side
    45,226.79x = 810,493,172.85
  5. Step 5: Solve for x
    x = 810,493,172.85/45,226.79
  6. Step 6: Final answer
    x = 17,920.65

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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.