Home / 18,323.46-25,286.34-9,939.96

Finding the Fourth Proportional to 18,323.46, 25,286.34 and 9,939.96

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Solution

The fourth proportional to 18,323.46, 25,286.34 and 9,939.96 is: 13,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.46 : 25,286.34 = 9,939.96 : x
  2. Step 2: Convert to fraction form
    18,323.46/25,286.34 = 9,939.96/x
  3. Step 3: Cross multiply
    18,323.46x = 25,286.34 × 9,939.96
  4. Step 4: Simplify right side
    18,323.46x = 251,345,208.15
  5. Step 5: Solve for x
    x = 251,345,208.15/18,323.46
  6. Step 6: Final answer
    x = 13,717.13

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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.