Home / 22,163.45-30,590.69-14,611.11

Finding the Fourth Proportional to 22,163.45, 30,590.69 and 14,611.11

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Solution

The fourth proportional to 22,163.45, 30,590.69 and 14,611.11 is: 20,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.45 : 30,590.69 = 14,611.11 : x
  2. Step 2: Convert to fraction form
    22,163.45/30,590.69 = 14,611.11/x
  3. Step 3: Cross multiply
    22,163.45x = 30,590.69 × 14,611.11
  4. Step 4: Simplify right side
    22,163.45x = 446,963,863.51
  5. Step 5: Solve for x
    x = 446,963,863.51/22,163.45
  6. Step 6: Final answer
    x = 20,166.71

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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.