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Finding the Fourth Proportional to 18,376.22, 25,361.06 and 10,824.92

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Solution

The fourth proportional to 18,376.22, 25,361.06 and 10,824.92 is: 14,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.22 : 25,361.06 = 10,824.92 : x
  2. Step 2: Convert to fraction form
    18,376.22/25,361.06 = 10,824.92/x
  3. Step 3: Cross multiply
    18,376.22x = 25,361.06 × 10,824.92
  4. Step 4: Simplify right side
    18,376.22x = 274,531,264.69
  5. Step 5: Solve for x
    x = 274,531,264.69/18,376.22
  6. Step 6: Final answer
    x = 14,939.49

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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.