Home / 20,183.47-30,275.37-7,035.82

Finding the Fourth Proportional to 20,183.47, 30,275.37 and 7,035.82

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Solution

The fourth proportional to 20,183.47, 30,275.37 and 7,035.82 is: 10,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.47 : 30,275.37 = 7,035.82 : x
  2. Step 2: Convert to fraction form
    20,183.47/30,275.37 = 7,035.82/x
  3. Step 3: Cross multiply
    20,183.47x = 30,275.37 × 7,035.82
  4. Step 4: Simplify right side
    20,183.47x = 213,012,053.75
  5. Step 5: Solve for x
    x = 213,012,053.75/20,183.47
  6. Step 6: Final answer
    x = 10,553.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.