Home / 20,045.87-27,662.62-11,093.75

Finding the Fourth Proportional to 20,045.87, 27,662.62 and 11,093.75

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Solution

The fourth proportional to 20,045.87, 27,662.62 and 11,093.75 is: 15,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.87 : 27,662.62 = 11,093.75 : x
  2. Step 2: Convert to fraction form
    20,045.87/27,662.62 = 11,093.75/x
  3. Step 3: Cross multiply
    20,045.87x = 27,662.62 × 11,093.75
  4. Step 4: Simplify right side
    20,045.87x = 306,882,135.16
  5. Step 5: Solve for x
    x = 306,882,135.16/20,045.87
  6. Step 6: Final answer
    x = 15,309.00

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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.