Home / 22,003.04-30,356.07-15,196.61

Finding the Fourth Proportional to 22,003.04, 30,356.07 and 15,196.61

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Solution

The fourth proportional to 22,003.04, 30,356.07 and 15,196.61 is: 20,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.04 : 30,356.07 = 15,196.61 : x
  2. Step 2: Convert to fraction form
    22,003.04/30,356.07 = 15,196.61/x
  3. Step 3: Cross multiply
    22,003.04x = 30,356.07 × 15,196.61
  4. Step 4: Simplify right side
    22,003.04x = 461,309,375.83
  5. Step 5: Solve for x
    x = 461,309,375.83/22,003.04
  6. Step 6: Final answer
    x = 20,965.71

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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.