Home / 22,183.76-30,618.60-15,113

Finding the Fourth Proportional to 22,183.76, 30,618.60 and 15,113

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Solution

The fourth proportional to 22,183.76, 30,618.60 and 15,113 is: 20,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.76 : 30,618.60 = 15,113 : x
  2. Step 2: Convert to fraction form
    22,183.76/30,618.60 = 15,113/x
  3. Step 3: Cross multiply
    22,183.76x = 30,618.60 × 15,113
  4. Step 4: Simplify right side
    22,183.76x = 462,738,901.80
  5. Step 5: Solve for x
    x = 462,738,901.80/22,183.76
  6. Step 6: Final answer
    x = 20,859.35

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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.