Home / 20,084.49-27,717.93-11,132.37

Finding the Fourth Proportional to 20,084.49, 27,717.93 and 11,132.37

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Solution

The fourth proportional to 20,084.49, 27,717.93 and 11,132.37 is: 15,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.49 : 27,717.93 = 11,132.37 : x
  2. Step 2: Convert to fraction form
    20,084.49/27,717.93 = 11,132.37/x
  3. Step 3: Cross multiply
    20,084.49x = 27,717.93 × 11,132.37
  4. Step 4: Simplify right side
    20,084.49x = 308,566,252.39
  5. Step 5: Solve for x
    x = 308,566,252.39/20,084.49
  6. Step 6: Final answer
    x = 15,363.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.