Home / 19,905.36-27,471.06-10,954.56

Finding the Fourth Proportional to 19,905.36, 27,471.06 and 10,954.56

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Solution

The fourth proportional to 19,905.36, 27,471.06 and 10,954.56 is: 15,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.36 : 27,471.06 = 10,954.56 : x
  2. Step 2: Convert to fraction form
    19,905.36/27,471.06 = 10,954.56/x
  3. Step 3: Cross multiply
    19,905.36x = 27,471.06 × 10,954.56
  4. Step 4: Simplify right side
    19,905.36x = 300,933,375.03
  5. Step 5: Solve for x
    x = 300,933,375.03/19,905.36
  6. Step 6: Final answer
    x = 15,118.21

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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.