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Finding the Fourth Proportional to 14,154.96, 21,232.44 and 6,361.68

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Solution

The fourth proportional to 14,154.96, 21,232.44 and 6,361.68 is: 9,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.96 : 21,232.44 = 6,361.68 : x
  2. Step 2: Convert to fraction form
    14,154.96/21,232.44 = 6,361.68/x
  3. Step 3: Cross multiply
    14,154.96x = 21,232.44 × 6,361.68
  4. Step 4: Simplify right side
    14,154.96x = 135,073,988.90
  5. Step 5: Solve for x
    x = 135,073,988.90/14,154.96
  6. Step 6: Final answer
    x = 9,542.52

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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.