Home / 14,974.56-20,664.99-8,260.37

Finding the Fourth Proportional to 14,974.56, 20,664.99 and 8,260.37

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Solution

The fourth proportional to 14,974.56, 20,664.99 and 8,260.37 is: 11,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.56 : 20,664.99 = 8,260.37 : x
  2. Step 2: Convert to fraction form
    14,974.56/20,664.99 = 8,260.37/x
  3. Step 3: Cross multiply
    14,974.56x = 20,664.99 × 8,260.37
  4. Step 4: Simplify right side
    14,974.56x = 170,700,463.45
  5. Step 5: Solve for x
    x = 170,700,463.45/14,974.56
  6. Step 6: Final answer
    x = 11,399.36

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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.