Home / 20,334.13-30,503.66-7,183.81

Finding the Fourth Proportional to 20,334.13, 30,503.66 and 7,183.81

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Solution

The fourth proportional to 20,334.13, 30,503.66 and 7,183.81 is: 10,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.13 : 30,503.66 = 7,183.81 : x
  2. Step 2: Convert to fraction form
    20,334.13/30,503.66 = 7,183.81/x
  3. Step 3: Cross multiply
    20,334.13x = 30,503.66 × 7,183.81
  4. Step 4: Simplify right side
    20,334.13x = 219,132,497.74
  5. Step 5: Solve for x
    x = 219,132,497.74/20,334.13
  6. Step 6: Final answer
    x = 10,776.59

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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.