Home / 20,226.07-27,912.02-11,273.39

Finding the Fourth Proportional to 20,226.07, 27,912.02 and 11,273.39

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Solution

The fourth proportional to 20,226.07, 27,912.02 and 11,273.39 is: 15,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.07 : 27,912.02 = 11,273.39 : x
  2. Step 2: Convert to fraction form
    20,226.07/27,912.02 = 11,273.39/x
  3. Step 3: Cross multiply
    20,226.07x = 27,912.02 × 11,273.39
  4. Step 4: Simplify right side
    20,226.07x = 314,663,216.31
  5. Step 5: Solve for x
    x = 314,663,216.31/20,226.07
  6. Step 6: Final answer
    x = 15,557.31

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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.