Home / 17,171.05-23,672.78-14,679.92

Finding the Fourth Proportional to 17,171.05, 23,672.78 and 14,679.92

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Solution

The fourth proportional to 17,171.05, 23,672.78 and 14,679.92 is: 20,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.05 : 23,672.78 = 14,679.92 : x
  2. Step 2: Convert to fraction form
    17,171.05/23,672.78 = 14,679.92/x
  3. Step 3: Cross multiply
    17,171.05x = 23,672.78 × 14,679.92
  4. Step 4: Simplify right side
    17,171.05x = 347,514,465.54
  5. Step 5: Solve for x
    x = 347,514,465.54/17,171.05
  6. Step 6: Final answer
    x = 20,238.40

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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.