Home / 13,356.51-20,023.97-5,571.15

Finding the Fourth Proportional to 13,356.51, 20,023.97 and 5,571.15

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Solution

The fourth proportional to 13,356.51, 20,023.97 and 5,571.15 is: 8,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.51 : 20,023.97 = 5,571.15 : x
  2. Step 2: Convert to fraction form
    13,356.51/20,023.97 = 5,571.15/x
  3. Step 3: Cross multiply
    13,356.51x = 20,023.97 × 5,571.15
  4. Step 4: Simplify right side
    13,356.51x = 111,556,512.61
  5. Step 5: Solve for x
    x = 111,556,512.61/13,356.51
  6. Step 6: Final answer
    x = 8,352.22

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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.