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Finding the Fourth Proportional to 14,352.92, 19,798.77 and 8,965.99

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Solution

The fourth proportional to 14,352.92, 19,798.77 and 8,965.99 is: 12,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.92 : 19,798.77 = 8,965.99 : x
  2. Step 2: Convert to fraction form
    14,352.92/19,798.77 = 8,965.99/x
  3. Step 3: Cross multiply
    14,352.92x = 19,798.77 × 8,965.99
  4. Step 4: Simplify right side
    14,352.92x = 177,515,573.83
  5. Step 5: Solve for x
    x = 177,515,573.83/14,352.92
  6. Step 6: Final answer
    x = 12,367.91

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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.