Home / 20,057.25-27,617.19-17,815.23

Finding the Fourth Proportional to 20,057.25, 27,617.19 and 17,815.23

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Solution

The fourth proportional to 20,057.25, 27,617.19 and 17,815.23 is: 24,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.25 : 27,617.19 = 17,815.23 : x
  2. Step 2: Convert to fraction form
    20,057.25/27,617.19 = 17,815.23/x
  3. Step 3: Cross multiply
    20,057.25x = 27,617.19 × 17,815.23
  4. Step 4: Simplify right side
    20,057.25x = 492,006,591.80
  5. Step 5: Solve for x
    x = 492,006,591.80/20,057.25
  6. Step 6: Final answer
    x = 24,530.11

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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.