Home / 18,828.73-25,983.41-10,214.78

Finding the Fourth Proportional to 18,828.73, 25,983.41 and 10,214.78

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Solution

The fourth proportional to 18,828.73, 25,983.41 and 10,214.78 is: 14,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.73 : 25,983.41 = 10,214.78 : x
  2. Step 2: Convert to fraction form
    18,828.73/25,983.41 = 10,214.78/x
  3. Step 3: Cross multiply
    18,828.73x = 25,983.41 × 10,214.78
  4. Step 4: Simplify right side
    18,828.73x = 265,414,816.80
  5. Step 5: Solve for x
    x = 265,414,816.80/18,828.73
  6. Step 6: Final answer
    x = 14,096.27

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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.