Home / 18,816.65-28,229.31-6,336.35

Finding the Fourth Proportional to 18,816.65, 28,229.31 and 6,336.35

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Solution

The fourth proportional to 18,816.65, 28,229.31 and 6,336.35 is: 9,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.65 : 28,229.31 = 6,336.35 : x
  2. Step 2: Convert to fraction form
    18,816.65/28,229.31 = 6,336.35/x
  3. Step 3: Cross multiply
    18,816.65x = 28,229.31 × 6,336.35
  4. Step 4: Simplify right side
    18,816.65x = 178,870,647.27
  5. Step 5: Solve for x
    x = 178,870,647.27/18,816.65
  6. Step 6: Final answer
    x = 9,505.98

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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.