Home / 20,082.34-27,713.59-11,007.70

Finding the Fourth Proportional to 20,082.34, 27,713.59 and 11,007.70

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Solution

The fourth proportional to 20,082.34, 27,713.59 and 11,007.70 is: 15,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.34 : 27,713.59 = 11,007.70 : x
  2. Step 2: Convert to fraction form
    20,082.34/27,713.59 = 11,007.70/x
  3. Step 3: Cross multiply
    20,082.34x = 27,713.59 × 11,007.70
  4. Step 4: Simplify right side
    20,082.34x = 305,062,884.64
  5. Step 5: Solve for x
    x = 305,062,884.64/20,082.34
  6. Step 6: Final answer
    x = 15,190.60

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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.