Home / 18,822.30-25,974.78-11,268.96

Finding the Fourth Proportional to 18,822.30, 25,974.78 and 11,268.96

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Solution

The fourth proportional to 18,822.30, 25,974.78 and 11,268.96 is: 15,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.30 : 25,974.78 = 11,268.96 : x
  2. Step 2: Convert to fraction form
    18,822.30/25,974.78 = 11,268.96/x
  3. Step 3: Cross multiply
    18,822.30x = 25,974.78 × 11,268.96
  4. Step 4: Simplify right side
    18,822.30x = 292,708,756.83
  5. Step 5: Solve for x
    x = 292,708,756.83/18,822.30
  6. Step 6: Final answer
    x = 15,551.17

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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.