Home / 16,136.52-24,192.78-6,779.28

Finding the Fourth Proportional to 16,136.52, 24,192.78 and 6,779.28

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Solution

The fourth proportional to 16,136.52, 24,192.78 and 6,779.28 is: 10,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,136.52 : 24,192.78 = 6,779.28 : x
  2. Step 2: Convert to fraction form
    16,136.52/24,192.78 = 6,779.28/x
  3. Step 3: Cross multiply
    16,136.52x = 24,192.78 × 6,779.28
  4. Step 4: Simplify right side
    16,136.52x = 164,009,629.60
  5. Step 5: Solve for x
    x = 164,009,629.60/16,136.52
  6. Step 6: Final answer
    x = 10,163.88

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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.