Home / 23,112.64-34,668.78-12,013.60

Finding the Fourth Proportional to 23,112.64, 34,668.78 and 12,013.60

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Solution

The fourth proportional to 23,112.64, 34,668.78 and 12,013.60 is: 18,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.64 : 34,668.78 = 12,013.60 : x
  2. Step 2: Convert to fraction form
    23,112.64/34,668.78 = 12,013.60/x
  3. Step 3: Cross multiply
    23,112.64x = 34,668.78 × 12,013.60
  4. Step 4: Simplify right side
    23,112.64x = 416,496,855.41
  5. Step 5: Solve for x
    x = 416,496,855.41/23,112.64
  6. Step 6: Final answer
    x = 18,020.31

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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.