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Finding the Fourth Proportional to 18,794.61, 25,937.37 and 10,836.81

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Solution

The fourth proportional to 18,794.61, 25,937.37 and 10,836.81 is: 14,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.61 : 25,937.37 = 10,836.81 : x
  2. Step 2: Convert to fraction form
    18,794.61/25,937.37 = 10,836.81/x
  3. Step 3: Cross multiply
    18,794.61x = 25,937.37 × 10,836.81
  4. Step 4: Simplify right side
    18,794.61x = 281,078,350.59
  5. Step 5: Solve for x
    x = 281,078,350.59/18,794.61
  6. Step 6: Final answer
    x = 14,955.26

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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.