Home / 21,623.34-32,442.96-7,584.42

Finding the Fourth Proportional to 21,623.34, 32,442.96 and 7,584.42

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Solution

The fourth proportional to 21,623.34, 32,442.96 and 7,584.42 is: 11,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.34 : 32,442.96 = 7,584.42 : x
  2. Step 2: Convert to fraction form
    21,623.34/32,442.96 = 7,584.42/x
  3. Step 3: Cross multiply
    21,623.34x = 32,442.96 × 7,584.42
  4. Step 4: Simplify right side
    21,623.34x = 246,061,034.68
  5. Step 5: Solve for x
    x = 246,061,034.68/21,623.34
  6. Step 6: Final answer
    x = 11,379.42

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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.