Home / 20,027.01-27,636.79-11,074.29

Finding the Fourth Proportional to 20,027.01, 27,636.79 and 11,074.29

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Solution

The fourth proportional to 20,027.01, 27,636.79 and 11,074.29 is: 15,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.01 : 27,636.79 = 11,074.29 : x
  2. Step 2: Convert to fraction form
    20,027.01/27,636.79 = 11,074.29/x
  3. Step 3: Cross multiply
    20,027.01x = 27,636.79 × 11,074.29
  4. Step 4: Simplify right side
    20,027.01x = 306,057,827.13
  5. Step 5: Solve for x
    x = 306,057,827.13/20,027.01
  6. Step 6: Final answer
    x = 15,282.25

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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.