Home / 17,643.18-26,456.26-10,249.75

Finding the Fourth Proportional to 17,643.18, 26,456.26 and 10,249.75

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Solution

The fourth proportional to 17,643.18, 26,456.26 and 10,249.75 is: 15,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.18 : 26,456.26 = 10,249.75 : x
  2. Step 2: Convert to fraction form
    17,643.18/26,456.26 = 10,249.75/x
  3. Step 3: Cross multiply
    17,643.18x = 26,456.26 × 10,249.75
  4. Step 4: Simplify right side
    17,643.18x = 271,170,050.94
  5. Step 5: Solve for x
    x = 271,170,050.94/17,643.18
  6. Step 6: Final answer
    x = 15,369.68

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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.