Home / 18,765.33-25,896.21-10,698.75

Finding the Fourth Proportional to 18,765.33, 25,896.21 and 10,698.75

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Solution

The fourth proportional to 18,765.33, 25,896.21 and 10,698.75 is: 14,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.33 : 25,896.21 = 10,698.75 : x
  2. Step 2: Convert to fraction form
    18,765.33/25,896.21 = 10,698.75/x
  3. Step 3: Cross multiply
    18,765.33x = 25,896.21 × 10,698.75
  4. Step 4: Simplify right side
    18,765.33x = 277,057,076.74
  5. Step 5: Solve for x
    x = 277,057,076.74/18,765.33
  6. Step 6: Final answer
    x = 14,764.31

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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.