Home / 19,630.44-27,090.72-11,248.56

Finding the Fourth Proportional to 19,630.44, 27,090.72 and 11,248.56

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Solution

The fourth proportional to 19,630.44, 27,090.72 and 11,248.56 is: 15,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.44 : 27,090.72 = 11,248.56 : x
  2. Step 2: Convert to fraction form
    19,630.44/27,090.72 = 11,248.56/x
  3. Step 3: Cross multiply
    19,630.44x = 27,090.72 × 11,248.56
  4. Step 4: Simplify right side
    19,630.44x = 304,731,589.36
  5. Step 5: Solve for x
    x = 304,731,589.36/19,630.44
  6. Step 6: Final answer
    x = 15,523.42

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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.