Home / 18,150.32-25,015.56-17,644.88

Finding the Fourth Proportional to 18,150.32, 25,015.56 and 17,644.88

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Solution

The fourth proportional to 18,150.32, 25,015.56 and 17,644.88 is: 24,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.32 : 25,015.56 = 17,644.88 : x
  2. Step 2: Convert to fraction form
    18,150.32/25,015.56 = 17,644.88/x
  3. Step 3: Cross multiply
    18,150.32x = 25,015.56 × 17,644.88
  4. Step 4: Simplify right side
    18,150.32x = 441,396,554.33
  5. Step 5: Solve for x
    x = 441,396,554.33/18,150.32
  6. Step 6: Final answer
    x = 24,318.94

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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.