Home / 18,635.44-25,722.69-11,467.55

Finding the Fourth Proportional to 18,635.44, 25,722.69 and 11,467.55

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Solution

The fourth proportional to 18,635.44, 25,722.69 and 11,467.55 is: 15,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.44 : 25,722.69 = 11,467.55 : x
  2. Step 2: Convert to fraction form
    18,635.44/25,722.69 = 11,467.55/x
  3. Step 3: Cross multiply
    18,635.44x = 25,722.69 × 11,467.55
  4. Step 4: Simplify right side
    18,635.44x = 294,976,214.92
  5. Step 5: Solve for x
    x = 294,976,214.92/18,635.44
  6. Step 6: Final answer
    x = 15,828.77

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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.