Home / 19,188.14-26,287.85-18,469.05

Finding the Fourth Proportional to 19,188.14, 26,287.85 and 18,469.05

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Solution

The fourth proportional to 19,188.14, 26,287.85 and 18,469.05 is: 25,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.14 : 26,287.85 = 18,469.05 : x
  2. Step 2: Convert to fraction form
    19,188.14/26,287.85 = 18,469.05/x
  3. Step 3: Cross multiply
    19,188.14x = 26,287.85 × 18,469.05
  4. Step 4: Simplify right side
    19,188.14x = 485,511,655.56
  5. Step 5: Solve for x
    x = 485,511,655.56/19,188.14
  6. Step 6: Final answer
    x = 25,302.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.