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Finding the Fourth Proportional to 16,773.69, 25,136.92 and 13,248.21

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Solution

The fourth proportional to 16,773.69, 25,136.92 and 13,248.21 is: 19,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.69 : 25,136.92 = 13,248.21 : x
  2. Step 2: Convert to fraction form
    16,773.69/25,136.92 = 13,248.21/x
  3. Step 3: Cross multiply
    16,773.69x = 25,136.92 × 13,248.21
  4. Step 4: Simplify right side
    16,773.69x = 333,019,194.91
  5. Step 5: Solve for x
    x = 333,019,194.91/16,773.69
  6. Step 6: Final answer
    x = 19,853.66

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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.