Home / 22,185.44-30,616.05-12,113.95

Finding the Fourth Proportional to 22,185.44, 30,616.05 and 12,113.95

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Solution

The fourth proportional to 22,185.44, 30,616.05 and 12,113.95 is: 16,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.44 : 30,616.05 = 12,113.95 : x
  2. Step 2: Convert to fraction form
    22,185.44/30,616.05 = 12,113.95/x
  3. Step 3: Cross multiply
    22,185.44x = 30,616.05 × 12,113.95
  4. Step 4: Simplify right side
    22,185.44x = 370,881,205.01
  5. Step 5: Solve for x
    x = 370,881,205.01/22,185.44
  6. Step 6: Final answer
    x = 16,717.33

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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.