Home / 22,236.66-30,505.68-21,655.62

Finding the Fourth Proportional to 22,236.66, 30,505.68 and 21,655.62

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Solution

The fourth proportional to 22,236.66, 30,505.68 and 21,655.62 is: 29,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.66 : 30,505.68 = 21,655.62 : x
  2. Step 2: Convert to fraction form
    22,236.66/30,505.68 = 21,655.62/x
  3. Step 3: Cross multiply
    22,236.66x = 30,505.68 × 21,655.62
  4. Step 4: Simplify right side
    22,236.66x = 660,619,413.92
  5. Step 5: Solve for x
    x = 660,619,413.92/22,236.66
  6. Step 6: Final answer
    x = 29,708.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.