Home / 23,054.37-31,829.75-18,815.56

Finding the Fourth Proportional to 23,054.37, 31,829.75 and 18,815.56

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Solution

The fourth proportional to 23,054.37, 31,829.75 and 18,815.56 is: 25,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,054.37 : 31,829.75 = 18,815.56 : x
  2. Step 2: Convert to fraction form
    23,054.37/31,829.75 = 18,815.56/x
  3. Step 3: Cross multiply
    23,054.37x = 31,829.75 × 18,815.56
  4. Step 4: Simplify right side
    23,054.37x = 598,894,523.87
  5. Step 5: Solve for x
    x = 598,894,523.87/23,054.37
  6. Step 6: Final answer
    x = 25,977.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.