Home / 19,850.73-27,396.19-11,353.64

Finding the Fourth Proportional to 19,850.73, 27,396.19 and 11,353.64

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Solution

The fourth proportional to 19,850.73, 27,396.19 and 11,353.64 is: 15,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.73 : 27,396.19 = 11,353.64 : x
  2. Step 2: Convert to fraction form
    19,850.73/27,396.19 = 11,353.64/x
  3. Step 3: Cross multiply
    19,850.73x = 27,396.19 × 11,353.64
  4. Step 4: Simplify right side
    19,850.73x = 311,046,478.63
  5. Step 5: Solve for x
    x = 311,046,478.63/19,850.73
  6. Step 6: Final answer
    x = 15,669.27

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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.