Home / 18,509.10-27,793.35-17,144.70

Finding the Fourth Proportional to 18,509.10, 27,793.35 and 17,144.70

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Solution

The fourth proportional to 18,509.10, 27,793.35 and 17,144.70 is: 25,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.10 : 27,793.35 = 17,144.70 : x
  2. Step 2: Convert to fraction form
    18,509.10/27,793.35 = 17,144.70/x
  3. Step 3: Cross multiply
    18,509.10x = 27,793.35 × 17,144.70
  4. Step 4: Simplify right side
    18,509.10x = 476,508,647.75
  5. Step 5: Solve for x
    x = 476,508,647.75/18,509.10
  6. Step 6: Final answer
    x = 25,744.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.