Home / 20,369.02-30,558.31-6,328.32

Finding the Fourth Proportional to 20,369.02, 30,558.31 and 6,328.32

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Solution

The fourth proportional to 20,369.02, 30,558.31 and 6,328.32 is: 9,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.02 : 30,558.31 = 6,328.32 : x
  2. Step 2: Convert to fraction form
    20,369.02/30,558.31 = 6,328.32/x
  3. Step 3: Cross multiply
    20,369.02x = 30,558.31 × 6,328.32
  4. Step 4: Simplify right side
    20,369.02x = 193,382,764.34
  5. Step 5: Solve for x
    x = 193,382,764.34/20,369.02
  6. Step 6: Final answer
    x = 9,493.97

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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.