Home / 21,481.93-32,216.64-7,441.39

Finding the Fourth Proportional to 21,481.93, 32,216.64 and 7,441.39

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Solution

The fourth proportional to 21,481.93, 32,216.64 and 7,441.39 is: 11,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.93 : 32,216.64 = 7,441.39 : x
  2. Step 2: Convert to fraction form
    21,481.93/32,216.64 = 7,441.39/x
  3. Step 3: Cross multiply
    21,481.93x = 32,216.64 × 7,441.39
  4. Step 4: Simplify right side
    21,481.93x = 239,736,582.73
  5. Step 5: Solve for x
    x = 239,736,582.73/21,481.93
  6. Step 6: Final answer
    x = 11,159.92

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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.