Home / 17,106.13-25,659.92-5,419.09

Finding the Fourth Proportional to 17,106.13, 25,659.92 and 5,419.09

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Solution

The fourth proportional to 17,106.13, 25,659.92 and 5,419.09 is: 8,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,106.13 : 25,659.92 = 5,419.09 : x
  2. Step 2: Convert to fraction form
    17,106.13/25,659.92 = 5,419.09/x
  3. Step 3: Cross multiply
    17,106.13x = 25,659.92 × 5,419.09
  4. Step 4: Simplify right side
    17,106.13x = 139,053,415.87
  5. Step 5: Solve for x
    x = 139,053,415.87/17,106.13
  6. Step 6: Final answer
    x = 8,128.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.