Home / 22,067.84-30,451.55-13,113.90

Finding the Fourth Proportional to 22,067.84, 30,451.55 and 13,113.90

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Solution

The fourth proportional to 22,067.84, 30,451.55 and 13,113.90 is: 18,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,067.84 : 30,451.55 = 13,113.90 : x
  2. Step 2: Convert to fraction form
    22,067.84/30,451.55 = 13,113.90/x
  3. Step 3: Cross multiply
    22,067.84x = 30,451.55 × 13,113.90
  4. Step 4: Simplify right side
    22,067.84x = 399,338,515.98
  5. Step 5: Solve for x
    x = 399,338,515.98/22,067.84
  6. Step 6: Final answer
    x = 18,095.95

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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.