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Finding the Fourth Proportional to 18,071.87, 24,947.64 and 13,597.29

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Solution

The fourth proportional to 18,071.87, 24,947.64 and 13,597.29 is: 18,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.87 : 24,947.64 = 13,597.29 : x
  2. Step 2: Convert to fraction form
    18,071.87/24,947.64 = 13,597.29/x
  3. Step 3: Cross multiply
    18,071.87x = 24,947.64 × 13,597.29
  4. Step 4: Simplify right side
    18,071.87x = 339,220,295.90
  5. Step 5: Solve for x
    x = 339,220,295.90/18,071.87
  6. Step 6: Final answer
    x = 18,770.63

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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.