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Finding the Fourth Proportional to 14,908.77, 20,573.69 and 8,194.41

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Solution

The fourth proportional to 14,908.77, 20,573.69 and 8,194.41 is: 11,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.77 : 20,573.69 = 8,194.41 : x
  2. Step 2: Convert to fraction form
    14,908.77/20,573.69 = 8,194.41/x
  3. Step 3: Cross multiply
    14,908.77x = 20,573.69 × 8,194.41
  4. Step 4: Simplify right side
    14,908.77x = 168,589,210.10
  5. Step 5: Solve for x
    x = 168,589,210.10/14,908.77
  6. Step 6: Final answer
    x = 11,308.06

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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.