Home / 23,083.12-34,612.37-11,978.63

Finding the Fourth Proportional to 23,083.12, 34,612.37 and 11,978.63

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Solution

The fourth proportional to 23,083.12, 34,612.37 and 11,978.63 is: 17,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,083.12 : 34,612.37 = 11,978.63 : x
  2. Step 2: Convert to fraction form
    23,083.12/34,612.37 = 11,978.63/x
  3. Step 3: Cross multiply
    23,083.12x = 34,612.37 × 11,978.63
  4. Step 4: Simplify right side
    23,083.12x = 414,608,773.65
  5. Step 5: Solve for x
    x = 414,608,773.65/23,083.12
  6. Step 6: Final answer
    x = 17,961.56

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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.