Home / 20,005.96-27,609.84-11,054.24

Finding the Fourth Proportional to 20,005.96, 27,609.84 and 11,054.24

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Solution

The fourth proportional to 20,005.96, 27,609.84 and 11,054.24 is: 15,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.96 : 27,609.84 = 11,054.24 : x
  2. Step 2: Convert to fraction form
    20,005.96/27,609.84 = 11,054.24/x
  3. Step 3: Cross multiply
    20,005.96x = 27,609.84 × 11,054.24
  4. Step 4: Simplify right side
    20,005.96x = 305,205,797.72
  5. Step 5: Solve for x
    x = 305,205,797.72/20,005.96
  6. Step 6: Final answer
    x = 15,255.74

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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.