Home / 19,106.57-28,629.51-12,843.54

Finding the Fourth Proportional to 19,106.57, 28,629.51 and 12,843.54

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Solution

The fourth proportional to 19,106.57, 28,629.51 and 12,843.54 is: 19,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.57 : 28,629.51 = 12,843.54 : x
  2. Step 2: Convert to fraction form
    19,106.57/28,629.51 = 12,843.54/x
  3. Step 3: Cross multiply
    19,106.57x = 28,629.51 × 12,843.54
  4. Step 4: Simplify right side
    19,106.57x = 367,704,256.87
  5. Step 5: Solve for x
    x = 367,704,256.87/19,106.57
  6. Step 6: Final answer
    x = 19,244.92

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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.