Home / 12,183.14-18,255.58-9,416.59

Finding the Fourth Proportional to 12,183.14, 18,255.58 and 9,416.59

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Solution

The fourth proportional to 12,183.14, 18,255.58 and 9,416.59 is: 14,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.14 : 18,255.58 = 9,416.59 : x
  2. Step 2: Convert to fraction form
    12,183.14/18,255.58 = 9,416.59/x
  3. Step 3: Cross multiply
    12,183.14x = 18,255.58 × 9,416.59
  4. Step 4: Simplify right side
    12,183.14x = 171,905,242.89
  5. Step 5: Solve for x
    x = 171,905,242.89/12,183.14
  6. Step 6: Final answer
    x = 14,110.09

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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.