Home / 19,967.72-29,940.34-6,633.58

Finding the Fourth Proportional to 19,967.72, 29,940.34 and 6,633.58

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Solution

The fourth proportional to 19,967.72, 29,940.34 and 6,633.58 is: 9,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.72 : 29,940.34 = 6,633.58 : x
  2. Step 2: Convert to fraction form
    19,967.72/29,940.34 = 6,633.58/x
  3. Step 3: Cross multiply
    19,967.72x = 29,940.34 × 6,633.58
  4. Step 4: Simplify right side
    19,967.72x = 198,611,640.62
  5. Step 5: Solve for x
    x = 198,611,640.62/19,967.72
  6. Step 6: Final answer
    x = 9,946.64

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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.