Home / 28,729.32-43,085.61-11,194.98

Finding the Fourth Proportional to 28,729.32, 43,085.61 and 11,194.98

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Solution

The fourth proportional to 28,729.32, 43,085.61 and 11,194.98 is: 16,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.32 : 43,085.61 = 11,194.98 : x
  2. Step 2: Convert to fraction form
    28,729.32/43,085.61 = 11,194.98/x
  3. Step 3: Cross multiply
    28,729.32x = 43,085.61 × 11,194.98
  4. Step 4: Simplify right side
    28,729.32x = 482,342,542.24
  5. Step 5: Solve for x
    x = 482,342,542.24/28,729.32
  6. Step 6: Final answer
    x = 16,789.21

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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.