Home / 20,093.13-30,143.88-6,946.02

Finding the Fourth Proportional to 20,093.13, 30,143.88 and 6,946.02

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Solution

The fourth proportional to 20,093.13, 30,143.88 and 6,946.02 is: 10,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.13 : 30,143.88 = 6,946.02 : x
  2. Step 2: Convert to fraction form
    20,093.13/30,143.88 = 6,946.02/x
  3. Step 3: Cross multiply
    20,093.13x = 30,143.88 × 6,946.02
  4. Step 4: Simplify right side
    20,093.13x = 209,379,993.36
  5. Step 5: Solve for x
    x = 209,379,993.36/20,093.13
  6. Step 6: Final answer
    x = 10,420.48

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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.