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Finding the Fourth Proportional to 14,840.61, 20,481.03 and 8,553.39

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Solution

The fourth proportional to 14,840.61, 20,481.03 and 8,553.39 is: 11,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.61 : 20,481.03 = 8,553.39 : x
  2. Step 2: Convert to fraction form
    14,840.61/20,481.03 = 8,553.39/x
  3. Step 3: Cross multiply
    14,840.61x = 20,481.03 × 8,553.39
  4. Step 4: Simplify right side
    14,840.61x = 175,182,237.19
  5. Step 5: Solve for x
    x = 175,182,237.19/14,840.61
  6. Step 6: Final answer
    x = 11,804.25

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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.