Home / 13,132.53-19,664.37-10,487.88

Finding the Fourth Proportional to 13,132.53, 19,664.37 and 10,487.88

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Solution

The fourth proportional to 13,132.53, 19,664.37 and 10,487.88 is: 15,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.53 : 19,664.37 = 10,487.88 : x
  2. Step 2: Convert to fraction form
    13,132.53/19,664.37 = 10,487.88/x
  3. Step 3: Cross multiply
    13,132.53x = 19,664.37 × 10,487.88
  4. Step 4: Simplify right side
    13,132.53x = 206,237,552.84
  5. Step 5: Solve for x
    x = 206,237,552.84/13,132.53
  6. Step 6: Final answer
    x = 15,704.33

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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.