Home / 18,183.55-25,091.07-10,528.15

Finding the Fourth Proportional to 18,183.55, 25,091.07 and 10,528.15

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Solution

The fourth proportional to 18,183.55, 25,091.07 and 10,528.15 is: 14,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.55 : 25,091.07 = 10,528.15 : x
  2. Step 2: Convert to fraction form
    18,183.55/25,091.07 = 10,528.15/x
  3. Step 3: Cross multiply
    18,183.55x = 25,091.07 × 10,528.15
  4. Step 4: Simplify right side
    18,183.55x = 264,162,548.62
  5. Step 5: Solve for x
    x = 264,162,548.62/18,183.55
  6. Step 6: Final answer
    x = 14,527.56

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Half scale
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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.