Home / 18,263.34-25,202.97-10,305.72

Finding the Fourth Proportional to 18,263.34, 25,202.97 and 10,305.72

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Solution

The fourth proportional to 18,263.34, 25,202.97 and 10,305.72 is: 14,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.34 : 25,202.97 = 10,305.72 : x
  2. Step 2: Convert to fraction form
    18,263.34/25,202.97 = 10,305.72/x
  3. Step 3: Cross multiply
    18,263.34x = 25,202.97 × 10,305.72
  4. Step 4: Simplify right side
    18,263.34x = 259,734,751.99
  5. Step 5: Solve for x
    x = 259,734,751.99/18,263.34
  6. Step 6: Final answer
    x = 14,221.65

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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.