Home / 18,669.50-25,763.91-10,286.54

Finding the Fourth Proportional to 18,669.50, 25,763.91 and 10,286.54

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Solution

The fourth proportional to 18,669.50, 25,763.91 and 10,286.54 is: 14,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.50 : 25,763.91 = 10,286.54 : x
  2. Step 2: Convert to fraction form
    18,669.50/25,763.91 = 10,286.54/x
  3. Step 3: Cross multiply
    18,669.50x = 25,763.91 × 10,286.54
  4. Step 4: Simplify right side
    18,669.50x = 265,021,490.77
  5. Step 5: Solve for x
    x = 265,021,490.77/18,669.50
  6. Step 6: Final answer
    x = 14,195.43

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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.