Home / 19,119.51-28,690.50-8,025.33

Finding the Fourth Proportional to 19,119.51, 28,690.50 and 8,025.33

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Solution

The fourth proportional to 19,119.51, 28,690.50 and 8,025.33 is: 12,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.51 : 28,690.50 = 8,025.33 : x
  2. Step 2: Convert to fraction form
    19,119.51/28,690.50 = 8,025.33/x
  3. Step 3: Cross multiply
    19,119.51x = 28,690.50 × 8,025.33
  4. Step 4: Simplify right side
    19,119.51x = 230,250,730.37
  5. Step 5: Solve for x
    x = 230,250,730.37/19,119.51
  6. Step 6: Final answer
    x = 12,042.71

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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.