Home / 13,144.96-19,725-5,353.84

Finding the Fourth Proportional to 13,144.96, 19,725 and 5,353.84

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Solution

The fourth proportional to 13,144.96, 19,725 and 5,353.84 is: 8,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.96 : 19,725 = 5,353.84 : x
  2. Step 2: Convert to fraction form
    13,144.96/19,725 = 5,353.84/x
  3. Step 3: Cross multiply
    13,144.96x = 19,725 × 5,353.84
  4. Step 4: Simplify right side
    13,144.96x = 105,604,494
  5. Step 5: Solve for x
    x = 105,604,494/13,144.96
  6. Step 6: Final answer
    x = 8,033.84

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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.