Home / 18,263.07-25,203.79-10,305.26

Finding the Fourth Proportional to 18,263.07, 25,203.79 and 10,305.26

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Solution

The fourth proportional to 18,263.07, 25,203.79 and 10,305.26 is: 14,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.07 : 25,203.79 = 10,305.26 : x
  2. Step 2: Convert to fraction form
    18,263.07/25,203.79 = 10,305.26/x
  3. Step 3: Cross multiply
    18,263.07x = 25,203.79 × 10,305.26
  4. Step 4: Simplify right side
    18,263.07x = 259,731,608.94
  5. Step 5: Solve for x
    x = 259,731,608.94/18,263.07
  6. Step 6: Final answer
    x = 14,221.68

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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.