Home / 13,755.71-18,940.37-10,743.00

Finding the Fourth Proportional to 13,755.71, 18,940.37 and 10,743.00

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Solution

The fourth proportional to 13,755.71, 18,940.37 and 10,743.00 is: 14,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.71 : 18,940.37 = 10,743.00 : x
  2. Step 2: Convert to fraction form
    13,755.71/18,940.37 = 10,743.00/x
  3. Step 3: Cross multiply
    13,755.71x = 18,940.37 × 10,743.00
  4. Step 4: Simplify right side
    13,755.71x = 203,476,338.23
  5. Step 5: Solve for x
    x = 203,476,338.23/13,755.71
  6. Step 6: Final answer
    x = 14,792.14

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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.