Home / 20,793.02-31,189.26-6,942.02

Finding the Fourth Proportional to 20,793.02, 31,189.26 and 6,942.02

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Solution

The fourth proportional to 20,793.02, 31,189.26 and 6,942.02 is: 10,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.02 : 31,189.26 = 6,942.02 : x
  2. Step 2: Convert to fraction form
    20,793.02/31,189.26 = 6,942.02/x
  3. Step 3: Cross multiply
    20,793.02x = 31,189.26 × 6,942.02
  4. Step 4: Simplify right side
    20,793.02x = 216,516,466.71
  5. Step 5: Solve for x
    x = 216,516,466.71/20,793.02
  6. Step 6: Final answer
    x = 10,412.94

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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.