Home / 20,027.26-27,637.13-11,074.54

Finding the Fourth Proportional to 20,027.26, 27,637.13 and 11,074.54

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Solution

The fourth proportional to 20,027.26, 27,637.13 and 11,074.54 is: 15,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.26 : 27,637.13 = 11,074.54 : x
  2. Step 2: Convert to fraction form
    20,027.26/27,637.13 = 11,074.54/x
  3. Step 3: Cross multiply
    20,027.26x = 27,637.13 × 11,074.54
  4. Step 4: Simplify right side
    20,027.26x = 306,068,501.67
  5. Step 5: Solve for x
    x = 306,068,501.67/20,027.26
  6. Step 6: Final answer
    x = 15,282.59

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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.