Home / 22,193.36-30,627-12,121.62

Finding the Fourth Proportional to 22,193.36, 30,627 and 12,121.62

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Solution

The fourth proportional to 22,193.36, 30,627 and 12,121.62 is: 16,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.36 : 30,627 = 12,121.62 : x
  2. Step 2: Convert to fraction form
    22,193.36/30,627 = 12,121.62/x
  3. Step 3: Cross multiply
    22,193.36x = 30,627 × 12,121.62
  4. Step 4: Simplify right side
    22,193.36x = 371,248,855.74
  5. Step 5: Solve for x
    x = 371,248,855.74/22,193.36
  6. Step 6: Final answer
    x = 16,727.92

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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.