Home / 19,926.20-29,892.53-6,777.20

Finding the Fourth Proportional to 19,926.20, 29,892.53 and 6,777.20

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Solution

The fourth proportional to 19,926.20, 29,892.53 and 6,777.20 is: 10,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.20 : 29,892.53 = 6,777.20 : x
  2. Step 2: Convert to fraction form
    19,926.20/29,892.53 = 6,777.20/x
  3. Step 3: Cross multiply
    19,926.20x = 29,892.53 × 6,777.20
  4. Step 4: Simplify right side
    19,926.20x = 202,587,521.80
  5. Step 5: Solve for x
    x = 202,587,521.80/19,926.20
  6. Step 6: Final answer
    x = 10,166.89

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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.