Home / 20,103.05-30,114.23-9,583.24

Finding the Fourth Proportional to 20,103.05, 30,114.23 and 9,583.24

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Solution

The fourth proportional to 20,103.05, 30,114.23 and 9,583.24 is: 14,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.05 : 30,114.23 = 9,583.24 : x
  2. Step 2: Convert to fraction form
    20,103.05/30,114.23 = 9,583.24/x
  3. Step 3: Cross multiply
    20,103.05x = 30,114.23 × 9,583.24
  4. Step 4: Simplify right side
    20,103.05x = 288,591,893.51
  5. Step 5: Solve for x
    x = 288,591,893.51/20,103.05
  6. Step 6: Final answer
    x = 14,355.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.