Home / 14,974.70-20,664.13-8,260.37

Finding the Fourth Proportional to 14,974.70, 20,664.13 and 8,260.37

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Solution

The fourth proportional to 14,974.70, 20,664.13 and 8,260.37 is: 11,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.70 : 20,664.13 = 8,260.37 : x
  2. Step 2: Convert to fraction form
    14,974.70/20,664.13 = 8,260.37/x
  3. Step 3: Cross multiply
    14,974.70x = 20,664.13 × 8,260.37
  4. Step 4: Simplify right side
    14,974.70x = 170,693,359.53
  5. Step 5: Solve for x
    x = 170,693,359.53/14,974.70
  6. Step 6: Final answer
    x = 11,398.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.