Home / 19,481.36-26,882.30-11,522.04

Finding the Fourth Proportional to 19,481.36, 26,882.30 and 11,522.04

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Solution

The fourth proportional to 19,481.36, 26,882.30 and 11,522.04 is: 15,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.36 : 26,882.30 = 11,522.04 : x
  2. Step 2: Convert to fraction form
    19,481.36/26,882.30 = 11,522.04/x
  3. Step 3: Cross multiply
    19,481.36x = 26,882.30 × 11,522.04
  4. Step 4: Simplify right side
    19,481.36x = 309,738,935.89
  5. Step 5: Solve for x
    x = 309,738,935.89/19,481.36
  6. Step 6: Final answer
    x = 15,899.25

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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.