Home / 15,815.82-23,735.30-11,667.02

Finding the Fourth Proportional to 15,815.82, 23,735.30 and 11,667.02

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Solution

The fourth proportional to 15,815.82, 23,735.30 and 11,667.02 is: 17,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.82 : 23,735.30 = 11,667.02 : x
  2. Step 2: Convert to fraction form
    15,815.82/23,735.30 = 11,667.02/x
  3. Step 3: Cross multiply
    15,815.82x = 23,735.30 × 11,667.02
  4. Step 4: Simplify right side
    15,815.82x = 276,920,042.79
  5. Step 5: Solve for x
    x = 276,920,042.79/15,815.82
  6. Step 6: Final answer
    x = 17,509.05

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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.