Home / 18,440.27-25,446.83-10,889.03

Finding the Fourth Proportional to 18,440.27, 25,446.83 and 10,889.03

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Solution

The fourth proportional to 18,440.27, 25,446.83 and 10,889.03 is: 15,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.27 : 25,446.83 = 10,889.03 : x
  2. Step 2: Convert to fraction form
    18,440.27/25,446.83 = 10,889.03/x
  3. Step 3: Cross multiply
    18,440.27x = 25,446.83 × 10,889.03
  4. Step 4: Simplify right side
    18,440.27x = 277,091,295.27
  5. Step 5: Solve for x
    x = 277,091,295.27/18,440.27
  6. Step 6: Final answer
    x = 15,026.42

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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.