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Finding the Fourth Proportional to 13,966.76, 19,274.48 and 7,593.78

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Solution

The fourth proportional to 13,966.76, 19,274.48 and 7,593.78 is: 10,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.76 : 19,274.48 = 7,593.78 : x
  2. Step 2: Convert to fraction form
    13,966.76/19,274.48 = 7,593.78/x
  3. Step 3: Cross multiply
    13,966.76x = 19,274.48 × 7,593.78
  4. Step 4: Simplify right side
    13,966.76x = 146,366,160.73
  5. Step 5: Solve for x
    x = 146,366,160.73/13,966.76
  6. Step 6: Final answer
    x = 10,479.61

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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.