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Finding the Fourth Proportional to 13,203.73, 19,810.15 and 8,267.49

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Solution

The fourth proportional to 13,203.73, 19,810.15 and 8,267.49 is: 12,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.73 : 19,810.15 = 8,267.49 : x
  2. Step 2: Convert to fraction form
    13,203.73/19,810.15 = 8,267.49/x
  3. Step 3: Cross multiply
    13,203.73x = 19,810.15 × 8,267.49
  4. Step 4: Simplify right side
    13,203.73x = 163,780,196.35
  5. Step 5: Solve for x
    x = 163,780,196.35/13,203.73
  6. Step 6: Final answer
    x = 12,404.09

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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.