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Finding the Fourth Proportional to 17,188.62, 25,900.04 and 14,136.98

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Solution

The fourth proportional to 17,188.62, 25,900.04 and 14,136.98 is: 21,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.62 : 25,900.04 = 14,136.98 : x
  2. Step 2: Convert to fraction form
    17,188.62/25,900.04 = 14,136.98/x
  3. Step 3: Cross multiply
    17,188.62x = 25,900.04 × 14,136.98
  4. Step 4: Simplify right side
    17,188.62x = 366,148,147.29
  5. Step 5: Solve for x
    x = 366,148,147.29/17,188.62
  6. Step 6: Final answer
    x = 21,301.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.