Home / 14,899.94-20,562.49-8,185.85

Finding the Fourth Proportional to 14,899.94, 20,562.49 and 8,185.85

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Solution

The fourth proportional to 14,899.94, 20,562.49 and 8,185.85 is: 11,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.94 : 20,562.49 = 8,185.85 : x
  2. Step 2: Convert to fraction form
    14,899.94/20,562.49 = 8,185.85/x
  3. Step 3: Cross multiply
    14,899.94x = 20,562.49 × 8,185.85
  4. Step 4: Simplify right side
    14,899.94x = 168,321,458.77
  5. Step 5: Solve for x
    x = 168,321,458.77/14,899.94
  6. Step 6: Final answer
    x = 11,296.79

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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.