Home / 20,027.00-27,636.71-11,074.20

Finding the Fourth Proportional to 20,027.00, 27,636.71 and 11,074.20

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Solution

The fourth proportional to 20,027.00, 27,636.71 and 11,074.20 is: 15,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.00 : 27,636.71 = 11,074.20 : x
  2. Step 2: Convert to fraction form
    20,027.00/27,636.71 = 11,074.20/x
  3. Step 3: Cross multiply
    20,027.00x = 27,636.71 × 11,074.20
  4. Step 4: Simplify right side
    20,027.00x = 306,054,398.51
  5. Step 5: Solve for x
    x = 306,054,398.51/20,027.00
  6. Step 6: Final answer
    x = 15,282.09

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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.