Home / 19,906.64-27,471.11-10,954.73

Finding the Fourth Proportional to 19,906.64, 27,471.11 and 10,954.73

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Solution

The fourth proportional to 19,906.64, 27,471.11 and 10,954.73 is: 15,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.64 : 27,471.11 = 10,954.73 : x
  2. Step 2: Convert to fraction form
    19,906.64/27,471.11 = 10,954.73/x
  3. Step 3: Cross multiply
    19,906.64x = 27,471.11 × 10,954.73
  4. Step 4: Simplify right side
    19,906.64x = 300,938,482.88
  5. Step 5: Solve for x
    x = 300,938,482.88/19,906.64
  6. Step 6: Final answer
    x = 15,117.49

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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.