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Finding the Fourth Proportional to 14,401.58, 21,602.36 and 8,241.26

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Solution

The fourth proportional to 14,401.58, 21,602.36 and 8,241.26 is: 12,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.58 : 21,602.36 = 8,241.26 : x
  2. Step 2: Convert to fraction form
    14,401.58/21,602.36 = 8,241.26/x
  3. Step 3: Cross multiply
    14,401.58x = 21,602.36 × 8,241.26
  4. Step 4: Simplify right side
    14,401.58x = 178,030,665.37
  5. Step 5: Solve for x
    x = 178,030,665.37/14,401.58
  6. Step 6: Final answer
    x = 12,361.88

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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.