Home / 14,900.20-22,324.70-7,869.80

Finding the Fourth Proportional to 14,900.20, 22,324.70 and 7,869.80

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Solution

The fourth proportional to 14,900.20, 22,324.70 and 7,869.80 is: 11,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.20 : 22,324.70 = 7,869.80 : x
  2. Step 2: Convert to fraction form
    14,900.20/22,324.70 = 7,869.80/x
  3. Step 3: Cross multiply
    14,900.20x = 22,324.70 × 7,869.80
  4. Step 4: Simplify right side
    14,900.20x = 175,690,924.06
  5. Step 5: Solve for x
    x = 175,690,924.06/14,900.20
  6. Step 6: Final answer
    x = 11,791.18

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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.