Home / 21,548.40-32,322.54-6,757.38

Finding the Fourth Proportional to 21,548.40, 32,322.54 and 6,757.38

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Solution

The fourth proportional to 21,548.40, 32,322.54 and 6,757.38 is: 10,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.40 : 32,322.54 = 6,757.38 : x
  2. Step 2: Convert to fraction form
    21,548.40/32,322.54 = 6,757.38/x
  3. Step 3: Cross multiply
    21,548.40x = 32,322.54 × 6,757.38
  4. Step 4: Simplify right side
    21,548.40x = 218,415,685.35
  5. Step 5: Solve for x
    x = 218,415,685.35/21,548.40
  6. Step 6: Final answer
    x = 10,136.05

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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.