Home / 20,222.01-27,903.69-11,268.45

Finding the Fourth Proportional to 20,222.01, 27,903.69 and 11,268.45

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Solution

The fourth proportional to 20,222.01, 27,903.69 and 11,268.45 is: 15,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.01 : 27,903.69 = 11,268.45 : x
  2. Step 2: Convert to fraction form
    20,222.01/27,903.69 = 11,268.45/x
  3. Step 3: Cross multiply
    20,222.01x = 27,903.69 × 11,268.45
  4. Step 4: Simplify right side
    20,222.01x = 314,431,335.58
  5. Step 5: Solve for x
    x = 314,431,335.58/20,222.01
  6. Step 6: Final answer
    x = 15,548.97

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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.