Home / 20,706.41-31,033.69-16,306.49

Finding the Fourth Proportional to 20,706.41, 31,033.69 and 16,306.49

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Solution

The fourth proportional to 20,706.41, 31,033.69 and 16,306.49 is: 24,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706.41 : 31,033.69 = 16,306.49 : x
  2. Step 2: Convert to fraction form
    20,706.41/31,033.69 = 16,306.49/x
  3. Step 3: Cross multiply
    20,706.41x = 31,033.69 × 16,306.49
  4. Step 4: Simplify right side
    20,706.41x = 506,050,555.65
  5. Step 5: Solve for x
    x = 506,050,555.65/20,706.41
  6. Step 6: Final answer
    x = 24,439.32

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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.