Home / 14,981.70-22,472.55-7,983.30

Finding the Fourth Proportional to 14,981.70, 22,472.55 and 7,983.30

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Solution

The fourth proportional to 14,981.70, 22,472.55 and 7,983.30 is: 11,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.70 : 22,472.55 = 7,983.30 : x
  2. Step 2: Convert to fraction form
    14,981.70/22,472.55 = 7,983.30/x
  3. Step 3: Cross multiply
    14,981.70x = 22,472.55 × 7,983.30
  4. Step 4: Simplify right side
    14,981.70x = 179,405,108.42
  5. Step 5: Solve for x
    x = 179,405,108.42/14,981.70
  6. Step 6: Final answer
    x = 11,974.95

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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.