Home / 20,101.37-27,740.25-11,026.13

Finding the Fourth Proportional to 20,101.37, 27,740.25 and 11,026.13

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Solution

The fourth proportional to 20,101.37, 27,740.25 and 11,026.13 is: 15,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.37 : 27,740.25 = 11,026.13 : x
  2. Step 2: Convert to fraction form
    20,101.37/27,740.25 = 11,026.13/x
  3. Step 3: Cross multiply
    20,101.37x = 27,740.25 × 11,026.13
  4. Step 4: Simplify right side
    20,101.37x = 305,867,464.03
  5. Step 5: Solve for x
    x = 305,867,464.03/20,101.37
  6. Step 6: Final answer
    x = 15,216.25

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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.