Home / 26,605.52-36,718.20-19,879.48

Finding the Fourth Proportional to 26,605.52, 36,718.20 and 19,879.48

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Solution

The fourth proportional to 26,605.52, 36,718.20 and 19,879.48 is: 27,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.52 : 36,718.20 = 19,879.48 : x
  2. Step 2: Convert to fraction form
    26,605.52/36,718.20 = 19,879.48/x
  3. Step 3: Cross multiply
    26,605.52x = 36,718.20 × 19,879.48
  4. Step 4: Simplify right side
    26,605.52x = 729,938,722.54
  5. Step 5: Solve for x
    x = 729,938,722.54/26,605.52
  6. Step 6: Final answer
    x = 27,435.61

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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.