Home / 14,021.84-20,995.32-12,361.04

Finding the Fourth Proportional to 14,021.84, 20,995.32 and 12,361.04

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Solution

The fourth proportional to 14,021.84, 20,995.32 and 12,361.04 is: 18,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.84 : 20,995.32 = 12,361.04 : x
  2. Step 2: Convert to fraction form
    14,021.84/20,995.32 = 12,361.04/x
  3. Step 3: Cross multiply
    14,021.84x = 20,995.32 × 12,361.04
  4. Step 4: Simplify right side
    14,021.84x = 259,523,990.33
  5. Step 5: Solve for x
    x = 259,523,990.33/14,021.84
  6. Step 6: Final answer
    x = 18,508.55

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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.