Home / 18,179.12-25,188.41-17,785.46

Finding the Fourth Proportional to 18,179.12, 25,188.41 and 17,785.46

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Solution

The fourth proportional to 18,179.12, 25,188.41 and 17,785.46 is: 24,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.12 : 25,188.41 = 17,785.46 : x
  2. Step 2: Convert to fraction form
    18,179.12/25,188.41 = 17,785.46/x
  3. Step 3: Cross multiply
    18,179.12x = 25,188.41 × 17,785.46
  4. Step 4: Simplify right side
    18,179.12x = 447,987,243.65
  5. Step 5: Solve for x
    x = 447,987,243.65/18,179.12
  6. Step 6: Final answer
    x = 24,642.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.