Home / 49,596.38-74,394.57-12,660.38

Finding the Fourth Proportional to 49,596.38, 74,394.57 and 12,660.38

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Solution

The fourth proportional to 49,596.38, 74,394.57 and 12,660.38 is: 18,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,596.38 : 74,394.57 = 12,660.38 : x
  2. Step 2: Convert to fraction form
    49,596.38/74,394.57 = 12,660.38/x
  3. Step 3: Cross multiply
    49,596.38x = 74,394.57 × 12,660.38
  4. Step 4: Simplify right side
    49,596.38x = 941,863,154.16
  5. Step 5: Solve for x
    x = 941,863,154.16/49,596.38
  6. Step 6: Final answer
    x = 18,990.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.