Home / 19,946.34-29,912.04-6,616.89

Finding the Fourth Proportional to 19,946.34, 29,912.04 and 6,616.89

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Solution

The fourth proportional to 19,946.34, 29,912.04 and 6,616.89 is: 9,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.34 : 29,912.04 = 6,616.89 : x
  2. Step 2: Convert to fraction form
    19,946.34/29,912.04 = 6,616.89/x
  3. Step 3: Cross multiply
    19,946.34x = 29,912.04 × 6,616.89
  4. Step 4: Simplify right side
    19,946.34x = 197,924,678.36
  5. Step 5: Solve for x
    x = 197,924,678.36/19,946.34
  6. Step 6: Final answer
    x = 9,922.86

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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.