Home / 14,401.98-21,589.80-12,195.02

Finding the Fourth Proportional to 14,401.98, 21,589.80 and 12,195.02

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Solution

The fourth proportional to 14,401.98, 21,589.80 and 12,195.02 is: 18,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.98 : 21,589.80 = 12,195.02 : x
  2. Step 2: Convert to fraction form
    14,401.98/21,589.80 = 12,195.02/x
  3. Step 3: Cross multiply
    14,401.98x = 21,589.80 × 12,195.02
  4. Step 4: Simplify right side
    14,401.98x = 263,288,042.80
  5. Step 5: Solve for x
    x = 263,288,042.80/14,401.98
  6. Step 6: Final answer
    x = 18,281.38

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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.