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Finding the Fourth Proportional to 14,896.91, 22,338.48 and 8,658.70

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Solution

The fourth proportional to 14,896.91, 22,338.48 and 8,658.70 is: 12,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,896.91 : 22,338.48 = 8,658.70 : x
  2. Step 2: Convert to fraction form
    14,896.91/22,338.48 = 8,658.70/x
  3. Step 3: Cross multiply
    14,896.91x = 22,338.48 × 8,658.70
  4. Step 4: Simplify right side
    14,896.91x = 193,422,173.40
  5. Step 5: Solve for x
    x = 193,422,173.40/14,896.91
  6. Step 6: Final answer
    x = 12,984.04

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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.