Home / 19,879.68-27,433.49-10,804.83

Finding the Fourth Proportional to 19,879.68, 27,433.49 and 10,804.83

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Solution

The fourth proportional to 19,879.68, 27,433.49 and 10,804.83 is: 14,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.68 : 27,433.49 = 10,804.83 : x
  2. Step 2: Convert to fraction form
    19,879.68/27,433.49 = 10,804.83/x
  3. Step 3: Cross multiply
    19,879.68x = 27,433.49 × 10,804.83
  4. Step 4: Simplify right side
    19,879.68x = 296,414,058.59
  5. Step 5: Solve for x
    x = 296,414,058.59/19,879.68
  6. Step 6: Final answer
    x = 14,910.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.