Home / 17,249.39-23,749.57-15,672.76

Finding the Fourth Proportional to 17,249.39, 23,749.57 and 15,672.76

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Solution

The fourth proportional to 17,249.39, 23,749.57 and 15,672.76 is: 21,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,249.39 : 23,749.57 = 15,672.76 : x
  2. Step 2: Convert to fraction form
    17,249.39/23,749.57 = 15,672.76/x
  3. Step 3: Cross multiply
    17,249.39x = 23,749.57 × 15,672.76
  4. Step 4: Simplify right side
    17,249.39x = 372,221,270.93
  5. Step 5: Solve for x
    x = 372,221,270.93/17,249.39
  6. Step 6: Final answer
    x = 21,578.81

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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.