Home / 20,467.96-30,703.02-6,618.04

Finding the Fourth Proportional to 20,467.96, 30,703.02 and 6,618.04

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Solution

The fourth proportional to 20,467.96, 30,703.02 and 6,618.04 is: 9,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.96 : 30,703.02 = 6,618.04 : x
  2. Step 2: Convert to fraction form
    20,467.96/30,703.02 = 6,618.04/x
  3. Step 3: Cross multiply
    20,467.96x = 30,703.02 × 6,618.04
  4. Step 4: Simplify right side
    20,467.96x = 203,193,814.48
  5. Step 5: Solve for x
    x = 203,193,814.48/20,467.96
  6. Step 6: Final answer
    x = 9,927.41

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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.