Home / 22,040.20-30,412.14-13,084.43

Finding the Fourth Proportional to 22,040.20, 30,412.14 and 13,084.43

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Solution

The fourth proportional to 22,040.20, 30,412.14 and 13,084.43 is: 18,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.20 : 30,412.14 = 13,084.43 : x
  2. Step 2: Convert to fraction form
    22,040.20/30,412.14 = 13,084.43/x
  3. Step 3: Cross multiply
    22,040.20x = 30,412.14 × 13,084.43
  4. Step 4: Simplify right side
    22,040.20x = 397,925,516.98
  5. Step 5: Solve for x
    x = 397,925,516.98/22,040.20
  6. Step 6: Final answer
    x = 18,054.54

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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.