Home / 13,052.20-19,571.10-4,282.60

Finding the Fourth Proportional to 13,052.20, 19,571.10 and 4,282.60

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Solution

The fourth proportional to 13,052.20, 19,571.10 and 4,282.60 is: 6,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.20 : 19,571.10 = 4,282.60 : x
  2. Step 2: Convert to fraction form
    13,052.20/19,571.10 = 4,282.60/x
  3. Step 3: Cross multiply
    13,052.20x = 19,571.10 × 4,282.60
  4. Step 4: Simplify right side
    13,052.20x = 83,815,192.86
  5. Step 5: Solve for x
    x = 83,815,192.86/13,052.20
  6. Step 6: Final answer
    x = 6,421.54

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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.