Home / 18,664.57-25,760.46-10,709.43

Finding the Fourth Proportional to 18,664.57, 25,760.46 and 10,709.43

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Solution

The fourth proportional to 18,664.57, 25,760.46 and 10,709.43 is: 14,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.57 : 25,760.46 = 10,709.43 : x
  2. Step 2: Convert to fraction form
    18,664.57/25,760.46 = 10,709.43/x
  3. Step 3: Cross multiply
    18,664.57x = 25,760.46 × 10,709.43
  4. Step 4: Simplify right side
    18,664.57x = 275,879,843.14
  5. Step 5: Solve for x
    x = 275,879,843.14/18,664.57
  6. Step 6: Final answer
    x = 14,780.94

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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.