Home / 13,574.89-20,363.55-3,714.22

Finding the Fourth Proportional to 13,574.89, 20,363.55 and 3,714.22

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Solution

The fourth proportional to 13,574.89, 20,363.55 and 3,714.22 is: 5,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.89 : 20,363.55 = 3,714.22 : x
  2. Step 2: Convert to fraction form
    13,574.89/20,363.55 = 3,714.22/x
  3. Step 3: Cross multiply
    13,574.89x = 20,363.55 × 3,714.22
  4. Step 4: Simplify right side
    13,574.89x = 75,634,704.68
  5. Step 5: Solve for x
    x = 75,634,704.68/13,574.89
  6. Step 6: Final answer
    x = 5,571.66

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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.