Home / 18,965.46-26,172.32-10,581.96

Finding the Fourth Proportional to 18,965.46, 26,172.32 and 10,581.96

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Solution

The fourth proportional to 18,965.46, 26,172.32 and 10,581.96 is: 14,603.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.46 : 26,172.32 = 10,581.96 : x
  2. Step 2: Convert to fraction form
    18,965.46/26,172.32 = 10,581.96/x
  3. Step 3: Cross multiply
    18,965.46x = 26,172.32 × 10,581.96
  4. Step 4: Simplify right side
    18,965.46x = 276,954,390.44
  5. Step 5: Solve for x
    x = 276,954,390.44/18,965.46
  6. Step 6: Final answer
    x = 14,603.09

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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.