Home / 18,732.62-25,833.44-12,020.35

Finding the Fourth Proportional to 18,732.62, 25,833.44 and 12,020.35

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Solution

The fourth proportional to 18,732.62, 25,833.44 and 12,020.35 is: 16,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.62 : 25,833.44 = 12,020.35 : x
  2. Step 2: Convert to fraction form
    18,732.62/25,833.44 = 12,020.35/x
  3. Step 3: Cross multiply
    18,732.62x = 25,833.44 × 12,020.35
  4. Step 4: Simplify right side
    18,732.62x = 310,526,955.97
  5. Step 5: Solve for x
    x = 310,526,955.97/18,732.62
  6. Step 6: Final answer
    x = 16,576.81

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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.