Home / 14,546.33-20,072.27-8,172.07

Finding the Fourth Proportional to 14,546.33, 20,072.27 and 8,172.07

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Solution

The fourth proportional to 14,546.33, 20,072.27 and 8,172.07 is: 11,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.33 : 20,072.27 = 8,172.07 : x
  2. Step 2: Convert to fraction form
    14,546.33/20,072.27 = 8,172.07/x
  3. Step 3: Cross multiply
    14,546.33x = 20,072.27 × 8,172.07
  4. Step 4: Simplify right side
    14,546.33x = 164,032,078.65
  5. Step 5: Solve for x
    x = 164,032,078.65/14,546.33
  6. Step 6: Final answer
    x = 11,276.52

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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.