Home / 13,209.26-19,838.56-11,628.54

Finding the Fourth Proportional to 13,209.26, 19,838.56 and 11,628.54

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Solution

The fourth proportional to 13,209.26, 19,838.56 and 11,628.54 is: 17,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.26 : 19,838.56 = 11,628.54 : x
  2. Step 2: Convert to fraction form
    13,209.26/19,838.56 = 11,628.54/x
  3. Step 3: Cross multiply
    13,209.26x = 19,838.56 × 11,628.54
  4. Step 4: Simplify right side
    13,209.26x = 230,693,488.50
  5. Step 5: Solve for x
    x = 230,693,488.50/13,209.26
  6. Step 6: Final answer
    x = 17,464.53

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1.5x scale

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.