Home / 18,705.37-25,847.63-17,794.21

Finding the Fourth Proportional to 18,705.37, 25,847.63 and 17,794.21

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Solution

The fourth proportional to 18,705.37, 25,847.63 and 17,794.21 is: 24,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.37 : 25,847.63 = 17,794.21 : x
  2. Step 2: Convert to fraction form
    18,705.37/25,847.63 = 17,794.21/x
  3. Step 3: Cross multiply
    18,705.37x = 25,847.63 × 17,794.21
  4. Step 4: Simplify right side
    18,705.37x = 459,938,156.22
  5. Step 5: Solve for x
    x = 459,938,156.22/18,705.37
  6. Step 6: Final answer
    x = 24,588.56

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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.