Home / 22,068.20-30,451.11-13,112.44

Finding the Fourth Proportional to 22,068.20, 30,451.11 and 13,112.44

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Solution

The fourth proportional to 22,068.20, 30,451.11 and 13,112.44 is: 18,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.20 : 30,451.11 = 13,112.44 : x
  2. Step 2: Convert to fraction form
    22,068.20/30,451.11 = 13,112.44/x
  3. Step 3: Cross multiply
    22,068.20x = 30,451.11 × 13,112.44
  4. Step 4: Simplify right side
    22,068.20x = 399,288,352.81
  5. Step 5: Solve for x
    x = 399,288,352.81/22,068.20
  6. Step 6: Final answer
    x = 18,093.38

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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.