Home / 34,223.22-51,334.83-12,879.95

Finding the Fourth Proportional to 34,223.22, 51,334.83 and 12,879.95

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Solution

The fourth proportional to 34,223.22, 51,334.83 and 12,879.95 is: 19,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,223.22 : 51,334.83 = 12,879.95 : x
  2. Step 2: Convert to fraction form
    34,223.22/51,334.83 = 12,879.95/x
  3. Step 3: Cross multiply
    34,223.22x = 51,334.83 × 12,879.95
  4. Step 4: Simplify right side
    34,223.22x = 661,189,786.98
  5. Step 5: Solve for x
    x = 661,189,786.98/34,223.22
  6. Step 6: Final answer
    x = 19,319.92

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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.