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Finding the Fourth Proportional to 14,896.44, 20,557.05 and 8,182.05

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Solution

The fourth proportional to 14,896.44, 20,557.05 and 8,182.05 is: 11,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,896.44 : 20,557.05 = 8,182.05 : x
  2. Step 2: Convert to fraction form
    14,896.44/20,557.05 = 8,182.05/x
  3. Step 3: Cross multiply
    14,896.44x = 20,557.05 × 8,182.05
  4. Step 4: Simplify right side
    14,896.44x = 168,198,810.95
  5. Step 5: Solve for x
    x = 168,198,810.95/14,896.44
  6. Step 6: Final answer
    x = 11,291.21

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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.