Home / 18,705.44-25,812.60-10,745.84

Finding the Fourth Proportional to 18,705.44, 25,812.60 and 10,745.84

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Solution

The fourth proportional to 18,705.44, 25,812.60 and 10,745.84 is: 14,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.44 : 25,812.60 = 10,745.84 : x
  2. Step 2: Convert to fraction form
    18,705.44/25,812.60 = 10,745.84/x
  3. Step 3: Cross multiply
    18,705.44x = 25,812.60 × 10,745.84
  4. Step 4: Simplify right side
    18,705.44x = 277,378,069.58
  5. Step 5: Solve for x
    x = 277,378,069.58/18,705.44
  6. Step 6: Final answer
    x = 14,828.74

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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.