Home / 20,057.16-27,653.22-13,758.60

Finding the Fourth Proportional to 20,057.16, 27,653.22 and 13,758.60

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Solution

The fourth proportional to 20,057.16, 27,653.22 and 13,758.60 is: 18,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.16 : 27,653.22 = 13,758.60 : x
  2. Step 2: Convert to fraction form
    20,057.16/27,653.22 = 13,758.60/x
  3. Step 3: Cross multiply
    20,057.16x = 27,653.22 × 13,758.60
  4. Step 4: Simplify right side
    20,057.16x = 380,469,592.69
  5. Step 5: Solve for x
    x = 380,469,592.69/20,057.16
  6. Step 6: Final answer
    x = 18,969.27

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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.