Home / 21,362.59-32,054.82-11,511.37

Finding the Fourth Proportional to 21,362.59, 32,054.82 and 11,511.37

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Solution

The fourth proportional to 21,362.59, 32,054.82 and 11,511.37 is: 17,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362.59 : 32,054.82 = 11,511.37 : x
  2. Step 2: Convert to fraction form
    21,362.59/32,054.82 = 11,511.37/x
  3. Step 3: Cross multiply
    21,362.59x = 32,054.82 × 11,511.37
  4. Step 4: Simplify right side
    21,362.59x = 368,994,893.30
  5. Step 5: Solve for x
    x = 368,994,893.30/21,362.59
  6. Step 6: Final answer
    x = 17,272.95

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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.