Home / 14,020.84-20,993.82-12,360.04

Finding the Fourth Proportional to 14,020.84, 20,993.82 and 12,360.04

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Solution

The fourth proportional to 14,020.84, 20,993.82 and 12,360.04 is: 18,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.84 : 20,993.82 = 12,360.04 : x
  2. Step 2: Convert to fraction form
    14,020.84/20,993.82 = 12,360.04/x
  3. Step 3: Cross multiply
    14,020.84x = 20,993.82 × 12,360.04
  4. Step 4: Simplify right side
    14,020.84x = 259,484,454.95
  5. Step 5: Solve for x
    x = 259,484,454.95/14,020.84
  6. Step 6: Final answer
    x = 18,507.05

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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.