Home / 14,974.53-20,665.09-8,260.03

Finding the Fourth Proportional to 14,974.53, 20,665.09 and 8,260.03

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Solution

The fourth proportional to 14,974.53, 20,665.09 and 8,260.03 is: 11,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.53 : 20,665.09 = 8,260.03 : x
  2. Step 2: Convert to fraction form
    14,974.53/20,665.09 = 8,260.03/x
  3. Step 3: Cross multiply
    14,974.53x = 20,665.09 × 8,260.03
  4. Step 4: Simplify right side
    14,974.53x = 170,694,263.35
  5. Step 5: Solve for x
    x = 170,694,263.35/14,974.53
  6. Step 6: Final answer
    x = 11,398.97

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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.