Home / 20,047.54-27,665.37-11,664.10

Finding the Fourth Proportional to 20,047.54, 27,665.37 and 11,664.10

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Solution

The fourth proportional to 20,047.54, 27,665.37 and 11,664.10 is: 16,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.54 : 27,665.37 = 11,664.10 : x
  2. Step 2: Convert to fraction form
    20,047.54/27,665.37 = 11,664.10/x
  3. Step 3: Cross multiply
    20,047.54x = 27,665.37 × 11,664.10
  4. Step 4: Simplify right side
    20,047.54x = 322,691,642.22
  5. Step 5: Solve for x
    x = 322,691,642.22/20,047.54
  6. Step 6: Final answer
    x = 16,096.32

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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.