Home / 21,554.63-32,327.25-6,761.60

Finding the Fourth Proportional to 21,554.63, 32,327.25 and 6,761.60

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Solution

The fourth proportional to 21,554.63, 32,327.25 and 6,761.60 is: 10,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.63 : 32,327.25 = 6,761.60 : x
  2. Step 2: Convert to fraction form
    21,554.63/32,327.25 = 6,761.60/x
  3. Step 3: Cross multiply
    21,554.63x = 32,327.25 × 6,761.60
  4. Step 4: Simplify right side
    21,554.63x = 218,583,933.60
  5. Step 5: Solve for x
    x = 218,583,933.60/21,554.63
  6. Step 6: Final answer
    x = 10,140.93

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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.