Home / 20,045.73-27,662.13-11,093.07

Finding the Fourth Proportional to 20,045.73, 27,662.13 and 11,093.07

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Solution

The fourth proportional to 20,045.73, 27,662.13 and 11,093.07 is: 15,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.73 : 27,662.13 = 11,093.07 : x
  2. Step 2: Convert to fraction form
    20,045.73/27,662.13 = 11,093.07/x
  3. Step 3: Cross multiply
    20,045.73x = 27,662.13 × 11,093.07
  4. Step 4: Simplify right side
    20,045.73x = 306,857,944.44
  5. Step 5: Solve for x
    x = 306,857,944.44/20,045.73
  6. Step 6: Final answer
    x = 15,307.90

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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.