Home / 21,582.06-32,374.62-7,540.49

Finding the Fourth Proportional to 21,582.06, 32,374.62 and 7,540.49

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Solution

The fourth proportional to 21,582.06, 32,374.62 and 7,540.49 is: 11,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.06 : 32,374.62 = 7,540.49 : x
  2. Step 2: Convert to fraction form
    21,582.06/32,374.62 = 7,540.49/x
  3. Step 3: Cross multiply
    21,582.06x = 32,374.62 × 7,540.49
  4. Step 4: Simplify right side
    21,582.06x = 244,120,579.30
  5. Step 5: Solve for x
    x = 244,120,579.30/21,582.06
  6. Step 6: Final answer
    x = 11,311.27

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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.