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Finding the Fourth Proportional to 18,597.39, 25,664.58 and 10,213.89

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Solution

The fourth proportional to 18,597.39, 25,664.58 and 10,213.89 is: 14,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.39 : 25,664.58 = 10,213.89 : x
  2. Step 2: Convert to fraction form
    18,597.39/25,664.58 = 10,213.89/x
  3. Step 3: Cross multiply
    18,597.39x = 25,664.58 × 10,213.89
  4. Step 4: Simplify right side
    18,597.39x = 262,135,197.02
  5. Step 5: Solve for x
    x = 262,135,197.02/18,597.39
  6. Step 6: Final answer
    x = 14,095.27

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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.