Home / 23,550.12-35,324.82-7,978.68

Finding the Fourth Proportional to 23,550.12, 35,324.82 and 7,978.68

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Solution

The fourth proportional to 23,550.12, 35,324.82 and 7,978.68 is: 11,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,550.12 : 35,324.82 = 7,978.68 : x
  2. Step 2: Convert to fraction form
    23,550.12/35,324.82 = 7,978.68/x
  3. Step 3: Cross multiply
    23,550.12x = 35,324.82 × 7,978.68
  4. Step 4: Simplify right side
    23,550.12x = 281,845,434.84
  5. Step 5: Solve for x
    x = 281,845,434.84/23,550.12
  6. Step 6: Final answer
    x = 11,967.90

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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.