Home / 20,805.36-31,208.27-6,014.41

Finding the Fourth Proportional to 20,805.36, 31,208.27 and 6,014.41

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Solution

The fourth proportional to 20,805.36, 31,208.27 and 6,014.41 is: 9,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,805.36 : 31,208.27 = 6,014.41 : x
  2. Step 2: Convert to fraction form
    20,805.36/31,208.27 = 6,014.41/x
  3. Step 3: Cross multiply
    20,805.36x = 31,208.27 × 6,014.41
  4. Step 4: Simplify right side
    20,805.36x = 187,699,285.20
  5. Step 5: Solve for x
    x = 187,699,285.20/20,805.36
  6. Step 6: Final answer
    x = 9,021.68

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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.