Home / 13,166.26-19,749.41-5,272.33

Finding the Fourth Proportional to 13,166.26, 19,749.41 and 5,272.33

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Solution

The fourth proportional to 13,166.26, 19,749.41 and 5,272.33 is: 7,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.26 : 19,749.41 = 5,272.33 : x
  2. Step 2: Convert to fraction form
    13,166.26/19,749.41 = 5,272.33/x
  3. Step 3: Cross multiply
    13,166.26x = 19,749.41 × 5,272.33
  4. Step 4: Simplify right side
    13,166.26x = 104,125,406.83
  5. Step 5: Solve for x
    x = 104,125,406.83/13,166.26
  6. Step 6: Final answer
    x = 7,908.50

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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.