Home / 14,074.05-19,419.63-8,105.37

Finding the Fourth Proportional to 14,074.05, 19,419.63 and 8,105.37

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Solution

The fourth proportional to 14,074.05, 19,419.63 and 8,105.37 is: 11,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.05 : 19,419.63 = 8,105.37 : x
  2. Step 2: Convert to fraction form
    14,074.05/19,419.63 = 8,105.37/x
  3. Step 3: Cross multiply
    14,074.05x = 19,419.63 × 8,105.37
  4. Step 4: Simplify right side
    14,074.05x = 157,403,286.41
  5. Step 5: Solve for x
    x = 157,403,286.41/14,074.05
  6. Step 6: Final answer
    x = 11,183.94

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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.