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Finding the Fourth Proportional to 14,869, 20,520.03 and 8,583.40

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Solution

The fourth proportional to 14,869, 20,520.03 and 8,583.40 is: 11,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869 : 20,520.03 = 8,583.40 : x
  2. Step 2: Convert to fraction form
    14,869/20,520.03 = 8,583.40/x
  3. Step 3: Cross multiply
    14,869x = 20,520.03 × 8,583.40
  4. Step 4: Simplify right side
    14,869x = 176,131,625.50
  5. Step 5: Solve for x
    x = 176,131,625.50/14,869
  6. Step 6: Final answer
    x = 11,845.56

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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.