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Finding the Fourth Proportional to 19,398.88, 29,063.08 and 14,963.68

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Solution

The fourth proportional to 19,398.88, 29,063.08 and 14,963.68 is: 22,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.88 : 29,063.08 = 14,963.68 : x
  2. Step 2: Convert to fraction form
    19,398.88/29,063.08 = 14,963.68/x
  3. Step 3: Cross multiply
    19,398.88x = 29,063.08 × 14,963.68
  4. Step 4: Simplify right side
    19,398.88x = 434,890,628.93
  5. Step 5: Solve for x
    x = 434,890,628.93/19,398.88
  6. Step 6: Final answer
    x = 22,418.34

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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.