Home / 19,455.15-29,183.34-7,608.45

Finding the Fourth Proportional to 19,455.15, 29,183.34 and 7,608.45

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Solution

The fourth proportional to 19,455.15, 29,183.34 and 7,608.45 is: 11,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.15 : 29,183.34 = 7,608.45 : x
  2. Step 2: Convert to fraction form
    19,455.15/29,183.34 = 7,608.45/x
  3. Step 3: Cross multiply
    19,455.15x = 29,183.34 × 7,608.45
  4. Step 4: Simplify right side
    19,455.15x = 222,039,983.22
  5. Step 5: Solve for x
    x = 222,039,983.22/19,455.15
  6. Step 6: Final answer
    x = 11,412.92

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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.