Home / 17,183.83-23,656.60-15,412.36

Finding the Fourth Proportional to 17,183.83, 23,656.60 and 15,412.36

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Solution

The fourth proportional to 17,183.83, 23,656.60 and 15,412.36 is: 21,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,183.83 : 23,656.60 = 15,412.36 : x
  2. Step 2: Convert to fraction form
    17,183.83/23,656.60 = 15,412.36/x
  3. Step 3: Cross multiply
    17,183.83x = 23,656.60 × 15,412.36
  4. Step 4: Simplify right side
    17,183.83x = 364,603,937.90
  5. Step 5: Solve for x
    x = 364,603,937.90/17,183.83
  6. Step 6: Final answer
    x = 21,217.85

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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.