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Finding the Fourth Proportional to 18,797.10, 25,939.35 and 10,838.22

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Solution

The fourth proportional to 18,797.10, 25,939.35 and 10,838.22 is: 14,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.10 : 25,939.35 = 10,838.22 : x
  2. Step 2: Convert to fraction form
    18,797.10/25,939.35 = 10,838.22/x
  3. Step 3: Cross multiply
    18,797.10x = 25,939.35 × 10,838.22
  4. Step 4: Simplify right side
    18,797.10x = 281,136,381.96
  5. Step 5: Solve for x
    x = 281,136,381.96/18,797.10
  6. Step 6: Final answer
    x = 14,956.37

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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.