Home / 13,736.59-18,969.93-11,735.47

Finding the Fourth Proportional to 13,736.59, 18,969.93 and 11,735.47

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Solution

The fourth proportional to 13,736.59, 18,969.93 and 11,735.47 is: 16,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.59 : 18,969.93 = 11,735.47 : x
  2. Step 2: Convert to fraction form
    13,736.59/18,969.93 = 11,735.47/x
  3. Step 3: Cross multiply
    13,736.59x = 18,969.93 × 11,735.47
  4. Step 4: Simplify right side
    13,736.59x = 222,621,044.42
  5. Step 5: Solve for x
    x = 222,621,044.42/13,736.59
  6. Step 6: Final answer
    x = 16,206.43

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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.