Home / 13,136.70-19,689.93-6,567.60

Finding the Fourth Proportional to 13,136.70, 19,689.93 and 6,567.60

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Solution

The fourth proportional to 13,136.70, 19,689.93 and 6,567.60 is: 9,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.70 : 19,689.93 = 6,567.60 : x
  2. Step 2: Convert to fraction form
    13,136.70/19,689.93 = 6,567.60/x
  3. Step 3: Cross multiply
    13,136.70x = 19,689.93 × 6,567.60
  4. Step 4: Simplify right side
    13,136.70x = 129,315,584.27
  5. Step 5: Solve for x
    x = 129,315,584.27/13,136.70
  6. Step 6: Final answer
    x = 9,843.84

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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.