Home / 17,178.43-25,884.66-14,126.79

Finding the Fourth Proportional to 17,178.43, 25,884.66 and 14,126.79

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Solution

The fourth proportional to 17,178.43, 25,884.66 and 14,126.79 is: 21,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.43 : 25,884.66 = 14,126.79 : x
  2. Step 2: Convert to fraction form
    17,178.43/25,884.66 = 14,126.79/x
  3. Step 3: Cross multiply
    17,178.43x = 25,884.66 × 14,126.79
  4. Step 4: Simplify right side
    17,178.43x = 365,667,156.04
  5. Step 5: Solve for x
    x = 365,667,156.04/17,178.43
  6. Step 6: Final answer
    x = 21,286.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.