Home / 23,103.09-34,636.97-19,142.19

Finding the Fourth Proportional to 23,103.09, 34,636.97 and 19,142.19

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Solution

The fourth proportional to 23,103.09, 34,636.97 and 19,142.19 is: 28,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.09 : 34,636.97 = 19,142.19 : x
  2. Step 2: Convert to fraction form
    23,103.09/34,636.97 = 19,142.19/x
  3. Step 3: Cross multiply
    23,103.09x = 34,636.97 × 19,142.19
  4. Step 4: Simplify right side
    23,103.09x = 663,027,508.62
  5. Step 5: Solve for x
    x = 663,027,508.62/23,103.09
  6. Step 6: Final answer
    x = 28,698.65

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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.