Home / 45,226.70-67,843.28-11,946.43

Finding the Fourth Proportional to 45,226.70, 67,843.28 and 11,946.43

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Solution

The fourth proportional to 45,226.70, 67,843.28 and 11,946.43 is: 17,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,226.70 : 67,843.28 = 11,946.43 : x
  2. Step 2: Convert to fraction form
    45,226.70/67,843.28 = 11,946.43/x
  3. Step 3: Cross multiply
    45,226.70x = 67,843.28 × 11,946.43
  4. Step 4: Simplify right side
    45,226.70x = 810,484,656.27
  5. Step 5: Solve for x
    x = 810,484,656.27/45,226.70
  6. Step 6: Final answer
    x = 17,920.49

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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.