Home / 14,101.39-19,464.79-8,135.43

Finding the Fourth Proportional to 14,101.39, 19,464.79 and 8,135.43

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Solution

The fourth proportional to 14,101.39, 19,464.79 and 8,135.43 is: 11,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.39 : 19,464.79 = 8,135.43 : x
  2. Step 2: Convert to fraction form
    14,101.39/19,464.79 = 8,135.43/x
  3. Step 3: Cross multiply
    14,101.39x = 19,464.79 × 8,135.43
  4. Step 4: Simplify right side
    14,101.39x = 158,354,436.51
  5. Step 5: Solve for x
    x = 158,354,436.51/14,101.39
  6. Step 6: Final answer
    x = 11,229.71

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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.