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Finding the Fourth Proportional to 14,755.64, 20,362.18 and 8,041.31

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Solution

The fourth proportional to 14,755.64, 20,362.18 and 8,041.31 is: 11,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.64 : 20,362.18 = 8,041.31 : x
  2. Step 2: Convert to fraction form
    14,755.64/20,362.18 = 8,041.31/x
  3. Step 3: Cross multiply
    14,755.64x = 20,362.18 × 8,041.31
  4. Step 4: Simplify right side
    14,755.64x = 163,738,601.66
  5. Step 5: Solve for x
    x = 163,738,601.66/14,755.64
  6. Step 6: Final answer
    x = 11,096.68

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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.