Home / 14,974.43-20,664.45-8,260.70

Finding the Fourth Proportional to 14,974.43, 20,664.45 and 8,260.70

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Solution

The fourth proportional to 14,974.43, 20,664.45 and 8,260.70 is: 11,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.43 : 20,664.45 = 8,260.70 : x
  2. Step 2: Convert to fraction form
    14,974.43/20,664.45 = 8,260.70/x
  3. Step 3: Cross multiply
    14,974.43x = 20,664.45 × 8,260.70
  4. Step 4: Simplify right side
    14,974.43x = 170,702,718.79
  5. Step 5: Solve for x
    x = 170,702,718.79/14,974.43
  6. Step 6: Final answer
    x = 11,399.62

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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.