Home / 19,619.42-27,074.24-11,122.32

Finding the Fourth Proportional to 19,619.42, 27,074.24 and 11,122.32

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Solution

The fourth proportional to 19,619.42, 27,074.24 and 11,122.32 is: 15,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.42 : 27,074.24 = 11,122.32 : x
  2. Step 2: Convert to fraction form
    19,619.42/27,074.24 = 11,122.32/x
  3. Step 3: Cross multiply
    19,619.42x = 27,074.24 × 11,122.32
  4. Step 4: Simplify right side
    19,619.42x = 301,128,361.04
  5. Step 5: Solve for x
    x = 301,128,361.04/19,619.42
  6. Step 6: Final answer
    x = 15,348.48

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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.