Home / 18,263.07-25,203.78-10,305.29

Finding the Fourth Proportional to 18,263.07, 25,203.78 and 10,305.29

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Solution

The fourth proportional to 18,263.07, 25,203.78 and 10,305.29 is: 14,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.07 : 25,203.78 = 10,305.29 : x
  2. Step 2: Convert to fraction form
    18,263.07/25,203.78 = 10,305.29/x
  3. Step 3: Cross multiply
    18,263.07x = 25,203.78 × 10,305.29
  4. Step 4: Simplify right side
    18,263.07x = 259,732,135.98
  5. Step 5: Solve for x
    x = 259,732,135.98/18,263.07
  6. Step 6: Final answer
    x = 14,221.71

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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.