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Finding the Fourth Proportional to 18,096.39, 24,972.71 and 10,138.59

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Solution

The fourth proportional to 18,096.39, 24,972.71 and 10,138.59 is: 13,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.39 : 24,972.71 = 10,138.59 : x
  2. Step 2: Convert to fraction form
    18,096.39/24,972.71 = 10,138.59/x
  3. Step 3: Cross multiply
    18,096.39x = 24,972.71 × 10,138.59
  4. Step 4: Simplify right side
    18,096.39x = 253,188,017.19
  5. Step 5: Solve for x
    x = 253,188,017.19/18,096.39
  6. Step 6: Final answer
    x = 13,991.08

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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.