Home / 19,083.57-28,605.81-7,996.68

Finding the Fourth Proportional to 19,083.57, 28,605.81 and 7,996.68

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Solution

The fourth proportional to 19,083.57, 28,605.81 and 7,996.68 is: 11,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.57 : 28,605.81 = 7,996.68 : x
  2. Step 2: Convert to fraction form
    19,083.57/28,605.81 = 7,996.68/x
  3. Step 3: Cross multiply
    19,083.57x = 28,605.81 × 7,996.68
  4. Step 4: Simplify right side
    19,083.57x = 228,751,508.71
  5. Step 5: Solve for x
    x = 228,751,508.71/19,083.57
  6. Step 6: Final answer
    x = 11,986.83

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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.