Home / 19,106.26-28,650.16-8,009.97

Finding the Fourth Proportional to 19,106.26, 28,650.16 and 8,009.97

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Solution

The fourth proportional to 19,106.26, 28,650.16 and 8,009.97 is: 12,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.26 : 28,650.16 = 8,009.97 : x
  2. Step 2: Convert to fraction form
    19,106.26/28,650.16 = 8,009.97/x
  3. Step 3: Cross multiply
    19,106.26x = 28,650.16 × 8,009.97
  4. Step 4: Simplify right side
    19,106.26x = 229,486,922.10
  5. Step 5: Solve for x
    x = 229,486,922.10/19,106.26
  6. Step 6: Final answer
    x = 12,011.09

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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.