Home / 19,067.22-28,590.34-15,143.61

Finding the Fourth Proportional to 19,067.22, 28,590.34 and 15,143.61

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Solution

The fourth proportional to 19,067.22, 28,590.34 and 15,143.61 is: 22,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.22 : 28,590.34 = 15,143.61 : x
  2. Step 2: Convert to fraction form
    19,067.22/28,590.34 = 15,143.61/x
  3. Step 3: Cross multiply
    19,067.22x = 28,590.34 × 15,143.61
  4. Step 4: Simplify right side
    19,067.22x = 432,960,958.73
  5. Step 5: Solve for x
    x = 432,960,958.73/19,067.22
  6. Step 6: Final answer
    x = 22,707.08

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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.