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Finding the Fourth Proportional to 19,750.26, 27,252.98 and 11,252.40

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Solution

The fourth proportional to 19,750.26, 27,252.98 and 11,252.40 is: 15,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.26 : 27,252.98 = 11,252.40 : x
  2. Step 2: Convert to fraction form
    19,750.26/27,252.98 = 11,252.40/x
  3. Step 3: Cross multiply
    19,750.26x = 27,252.98 × 11,252.40
  4. Step 4: Simplify right side
    19,750.26x = 306,661,375.89
  5. Step 5: Solve for x
    x = 306,661,375.89/19,750.26
  6. Step 6: Final answer
    x = 15,526.95

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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.