Home / 20,883.07-31,325.97-6,090.75

Finding the Fourth Proportional to 20,883.07, 31,325.97 and 6,090.75

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Solution

The fourth proportional to 20,883.07, 31,325.97 and 6,090.75 is: 9,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.07 : 31,325.97 = 6,090.75 : x
  2. Step 2: Convert to fraction form
    20,883.07/31,325.97 = 6,090.75/x
  3. Step 3: Cross multiply
    20,883.07x = 31,325.97 × 6,090.75
  4. Step 4: Simplify right side
    20,883.07x = 190,798,674.62
  5. Step 5: Solve for x
    x = 190,798,674.62/20,883.07
  6. Step 6: Final answer
    x = 9,136.52

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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.