Home / 20,273.02-27,996.09-19,168.60

Finding the Fourth Proportional to 20,273.02, 27,996.09 and 19,168.60

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Solution

The fourth proportional to 20,273.02, 27,996.09 and 19,168.60 is: 26,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.02 : 27,996.09 = 19,168.60 : x
  2. Step 2: Convert to fraction form
    20,273.02/27,996.09 = 19,168.60/x
  3. Step 3: Cross multiply
    20,273.02x = 27,996.09 × 19,168.60
  4. Step 4: Simplify right side
    20,273.02x = 536,645,850.77
  5. Step 5: Solve for x
    x = 536,645,850.77/20,273.02
  6. Step 6: Final answer
    x = 26,470.94

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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.