Home / 19,784.42-27,297.07-11,283.44

Finding the Fourth Proportional to 19,784.42, 27,297.07 and 11,283.44

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Solution

The fourth proportional to 19,784.42, 27,297.07 and 11,283.44 is: 15,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.42 : 27,297.07 = 11,283.44 : x
  2. Step 2: Convert to fraction form
    19,784.42/27,297.07 = 11,283.44/x
  3. Step 3: Cross multiply
    19,784.42x = 27,297.07 × 11,283.44
  4. Step 4: Simplify right side
    19,784.42x = 308,004,658.62
  5. Step 5: Solve for x
    x = 308,004,658.62/19,784.42
  6. Step 6: Final answer
    x = 15,568.04

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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.