Home / 22,183.75-30,613.58-15,122.53

Finding the Fourth Proportional to 22,183.75, 30,613.58 and 15,122.53

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Solution

The fourth proportional to 22,183.75, 30,613.58 and 15,122.53 is: 20,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.75 : 30,613.58 = 15,122.53 : x
  2. Step 2: Convert to fraction form
    22,183.75/30,613.58 = 15,122.53/x
  3. Step 3: Cross multiply
    22,183.75x = 30,613.58 × 15,122.53
  4. Step 4: Simplify right side
    22,183.75x = 462,954,781.96
  5. Step 5: Solve for x
    x = 462,954,781.96/22,183.75
  6. Step 6: Final answer
    x = 20,869.09

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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.