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Finding the Fourth Proportional to 16,361.96, 24,506.78 and 12,637.16

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Solution

The fourth proportional to 16,361.96, 24,506.78 and 12,637.16 is: 18,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,361.96 : 24,506.78 = 12,637.16 : x
  2. Step 2: Convert to fraction form
    16,361.96/24,506.78 = 12,637.16/x
  3. Step 3: Cross multiply
    16,361.96x = 24,506.78 × 12,637.16
  4. Step 4: Simplify right side
    16,361.96x = 309,696,099.94
  5. Step 5: Solve for x
    x = 309,696,099.94/16,361.96
  6. Step 6: Final answer
    x = 18,927.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.