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Finding the Fourth Proportional to 14,398.82, 19,874.08 and 9,375.58

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Solution

The fourth proportional to 14,398.82, 19,874.08 and 9,375.58 is: 12,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.82 : 19,874.08 = 9,375.58 : x
  2. Step 2: Convert to fraction form
    14,398.82/19,874.08 = 9,375.58/x
  3. Step 3: Cross multiply
    14,398.82x = 19,874.08 × 9,375.58
  4. Step 4: Simplify right side
    14,398.82x = 186,331,026.97
  5. Step 5: Solve for x
    x = 186,331,026.97/14,398.82
  6. Step 6: Final answer
    x = 12,940.72

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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.