Home / 19,906.77-27,471.47-10,954.04

Finding the Fourth Proportional to 19,906.77, 27,471.47 and 10,954.04

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Solution

The fourth proportional to 19,906.77, 27,471.47 and 10,954.04 is: 15,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.77 : 27,471.47 = 10,954.04 : x
  2. Step 2: Convert to fraction form
    19,906.77/27,471.47 = 10,954.04/x
  3. Step 3: Cross multiply
    19,906.77x = 27,471.47 × 10,954.04
  4. Step 4: Simplify right side
    19,906.77x = 300,923,605.25
  5. Step 5: Solve for x
    x = 300,923,605.25/19,906.77
  6. Step 6: Final answer
    x = 15,116.65

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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.