Home / 19,788.23-29,682.72-9,252.44

Finding the Fourth Proportional to 19,788.23, 29,682.72 and 9,252.44

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Solution

The fourth proportional to 19,788.23, 29,682.72 and 9,252.44 is: 13,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.23 : 29,682.72 = 9,252.44 : x
  2. Step 2: Convert to fraction form
    19,788.23/29,682.72 = 9,252.44/x
  3. Step 3: Cross multiply
    19,788.23x = 29,682.72 × 9,252.44
  4. Step 4: Simplify right side
    19,788.23x = 274,637,437.42
  5. Step 5: Solve for x
    x = 274,637,437.42/19,788.23
  6. Step 6: Final answer
    x = 13,878.83

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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.