Home / 13,136.89-19,698.37-5,732.70

Finding the Fourth Proportional to 13,136.89, 19,698.37 and 5,732.70

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Solution

The fourth proportional to 13,136.89, 19,698.37 and 5,732.70 is: 8,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.89 : 19,698.37 = 5,732.70 : x
  2. Step 2: Convert to fraction form
    13,136.89/19,698.37 = 5,732.70/x
  3. Step 3: Cross multiply
    13,136.89x = 19,698.37 × 5,732.70
  4. Step 4: Simplify right side
    13,136.89x = 112,924,845.70
  5. Step 5: Solve for x
    x = 112,924,845.70/13,136.89
  6. Step 6: Final answer
    x = 8,596.01

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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.