Home / 18,511.92-25,546.23-10,554.12

Finding the Fourth Proportional to 18,511.92, 25,546.23 and 10,554.12

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Solution

The fourth proportional to 18,511.92, 25,546.23 and 10,554.12 is: 14,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.92 : 25,546.23 = 10,554.12 : x
  2. Step 2: Convert to fraction form
    18,511.92/25,546.23 = 10,554.12/x
  3. Step 3: Cross multiply
    18,511.92x = 25,546.23 × 10,554.12
  4. Step 4: Simplify right side
    18,511.92x = 269,617,976.97
  5. Step 5: Solve for x
    x = 269,617,976.97/18,511.92
  6. Step 6: Final answer
    x = 14,564.56

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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.