Home / 20,094.15-30,137.37-6,943.80

Finding the Fourth Proportional to 20,094.15, 30,137.37 and 6,943.80

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Solution

The fourth proportional to 20,094.15, 30,137.37 and 6,943.80 is: 10,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.15 : 30,137.37 = 6,943.80 : x
  2. Step 2: Convert to fraction form
    20,094.15/30,137.37 = 6,943.80/x
  3. Step 3: Cross multiply
    20,094.15x = 30,137.37 × 6,943.80
  4. Step 4: Simplify right side
    20,094.15x = 209,267,869.81
  5. Step 5: Solve for x
    x = 209,267,869.81/20,094.15
  6. Step 6: Final answer
    x = 10,414.37

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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.