Home / 13,575.36-20,363.04-3,714.24

Finding the Fourth Proportional to 13,575.36, 20,363.04 and 3,714.24

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Solution

The fourth proportional to 13,575.36, 20,363.04 and 3,714.24 is: 5,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.36 : 20,363.04 = 3,714.24 : x
  2. Step 2: Convert to fraction form
    13,575.36/20,363.04 = 3,714.24/x
  3. Step 3: Cross multiply
    13,575.36x = 20,363.04 × 3,714.24
  4. Step 4: Simplify right side
    13,575.36x = 75,633,217.69
  5. Step 5: Solve for x
    x = 75,633,217.69/13,575.36
  6. Step 6: Final answer
    x = 5,571.36

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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.