Home / 15,796.72-23,678.24-11,889.04

Finding the Fourth Proportional to 15,796.72, 23,678.24 and 11,889.04

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Solution

The fourth proportional to 15,796.72, 23,678.24 and 11,889.04 is: 17,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.72 : 23,678.24 = 11,889.04 : x
  2. Step 2: Convert to fraction form
    15,796.72/23,678.24 = 11,889.04/x
  3. Step 3: Cross multiply
    15,796.72x = 23,678.24 × 11,889.04
  4. Step 4: Simplify right side
    15,796.72x = 281,511,542.49
  5. Step 5: Solve for x
    x = 281,511,542.49/15,796.72
  6. Step 6: Final answer
    x = 17,820.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.