Home / 20,840.82-31,266.12-6,051.24

Finding the Fourth Proportional to 20,840.82, 31,266.12 and 6,051.24

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Solution

The fourth proportional to 20,840.82, 31,266.12 and 6,051.24 is: 9,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840.82 : 31,266.12 = 6,051.24 : x
  2. Step 2: Convert to fraction form
    20,840.82/31,266.12 = 6,051.24/x
  3. Step 3: Cross multiply
    20,840.82x = 31,266.12 × 6,051.24
  4. Step 4: Simplify right side
    20,840.82x = 189,198,795.99
  5. Step 5: Solve for x
    x = 189,198,795.99/20,840.82
  6. Step 6: Final answer
    x = 9,078.28

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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.