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Finding the Fourth Proportional to 18,706.32, 25,824.07 and 11,635.02

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Solution

The fourth proportional to 18,706.32, 25,824.07 and 11,635.02 is: 16,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706.32 : 25,824.07 = 11,635.02 : x
  2. Step 2: Convert to fraction form
    18,706.32/25,824.07 = 11,635.02/x
  3. Step 3: Cross multiply
    18,706.32x = 25,824.07 × 11,635.02
  4. Step 4: Simplify right side
    18,706.32x = 300,463,570.93
  5. Step 5: Solve for x
    x = 300,463,570.93/18,706.32
  6. Step 6: Final answer
    x = 16,062.14

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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.