Home / 20,524.60-30,782.94-6,670.36

Finding the Fourth Proportional to 20,524.60, 30,782.94 and 6,670.36

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Solution

The fourth proportional to 20,524.60, 30,782.94 and 6,670.36 is: 10,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.60 : 30,782.94 = 6,670.36 : x
  2. Step 2: Convert to fraction form
    20,524.60/30,782.94 = 6,670.36/x
  3. Step 3: Cross multiply
    20,524.60x = 30,782.94 × 6,670.36
  4. Step 4: Simplify right side
    20,524.60x = 205,333,291.66
  5. Step 5: Solve for x
    x = 205,333,291.66/20,524.60
  6. Step 6: Final answer
    x = 10,004.25

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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.