Home / 13,473.89-20,199.12-5,571.48

Finding the Fourth Proportional to 13,473.89, 20,199.12 and 5,571.48

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Solution

The fourth proportional to 13,473.89, 20,199.12 and 5,571.48 is: 8,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.89 : 20,199.12 = 5,571.48 : x
  2. Step 2: Convert to fraction form
    13,473.89/20,199.12 = 5,571.48/x
  3. Step 3: Cross multiply
    13,473.89x = 20,199.12 × 5,571.48
  4. Step 4: Simplify right side
    13,473.89x = 112,539,079.29
  5. Step 5: Solve for x
    x = 112,539,079.29/13,473.89
  6. Step 6: Final answer
    x = 8,352.38

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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.