Home / 19,636.44-27,096.75-11,138.64

Finding the Fourth Proportional to 19,636.44, 27,096.75 and 11,138.64

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Solution

The fourth proportional to 19,636.44, 27,096.75 and 11,138.64 is: 15,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.44 : 27,096.75 = 11,138.64 : x
  2. Step 2: Convert to fraction form
    19,636.44/27,096.75 = 11,138.64/x
  3. Step 3: Cross multiply
    19,636.44x = 27,096.75 × 11,138.64
  4. Step 4: Simplify right side
    19,636.44x = 301,820,943.42
  5. Step 5: Solve for x
    x = 301,820,943.42/19,636.44
  6. Step 6: Final answer
    x = 15,370.45

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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.