Home / 13,767.17-20,678.09-11,792.03

Finding the Fourth Proportional to 13,767.17, 20,678.09 and 11,792.03

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Solution

The fourth proportional to 13,767.17, 20,678.09 and 11,792.03 is: 17,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.17 : 20,678.09 = 11,792.03 : x
  2. Step 2: Convert to fraction form
    13,767.17/20,678.09 = 11,792.03/x
  3. Step 3: Cross multiply
    13,767.17x = 20,678.09 × 11,792.03
  4. Step 4: Simplify right side
    13,767.17x = 243,836,611.59
  5. Step 5: Solve for x
    x = 243,836,611.59/13,767.17
  6. Step 6: Final answer
    x = 17,711.46

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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.