Home / 19,892.67-27,450.95-10,940.55

Finding the Fourth Proportional to 19,892.67, 27,450.95 and 10,940.55

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Solution

The fourth proportional to 19,892.67, 27,450.95 and 10,940.55 is: 15,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.67 : 27,450.95 = 10,940.55 : x
  2. Step 2: Convert to fraction form
    19,892.67/27,450.95 = 10,940.55/x
  3. Step 3: Cross multiply
    19,892.67x = 27,450.95 × 10,940.55
  4. Step 4: Simplify right side
    19,892.67x = 300,328,436.32
  5. Step 5: Solve for x
    x = 300,328,436.32/19,892.67
  6. Step 6: Final answer
    x = 15,097.44

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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.