Home / 18,246.35-25,180.11-10,288.77

Finding the Fourth Proportional to 18,246.35, 25,180.11 and 10,288.77

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Solution

The fourth proportional to 18,246.35, 25,180.11 and 10,288.77 is: 14,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.35 : 25,180.11 = 10,288.77 : x
  2. Step 2: Convert to fraction form
    18,246.35/25,180.11 = 10,288.77/x
  3. Step 3: Cross multiply
    18,246.35x = 25,180.11 × 10,288.77
  4. Step 4: Simplify right side
    18,246.35x = 259,072,360.36
  5. Step 5: Solve for x
    x = 259,072,360.36/18,246.35
  6. Step 6: Final answer
    x = 14,198.59

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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.