Home / 20,493.14-30,739.84-5,703.14

Finding the Fourth Proportional to 20,493.14, 30,739.84 and 5,703.14

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Solution

The fourth proportional to 20,493.14, 30,739.84 and 5,703.14 is: 8,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493.14 : 30,739.84 = 5,703.14 : x
  2. Step 2: Convert to fraction form
    20,493.14/30,739.84 = 5,703.14/x
  3. Step 3: Cross multiply
    20,493.14x = 30,739.84 × 5,703.14
  4. Step 4: Simplify right side
    20,493.14x = 175,313,673.69
  5. Step 5: Solve for x
    x = 175,313,673.69/20,493.14
  6. Step 6: Final answer
    x = 8,554.75

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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.