Home / 13,632.97-20,449.43-3,772.22

Finding the Fourth Proportional to 13,632.97, 20,449.43 and 3,772.22

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Solution

The fourth proportional to 13,632.97, 20,449.43 and 3,772.22 is: 5,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.97 : 20,449.43 = 3,772.22 : x
  2. Step 2: Convert to fraction form
    13,632.97/20,449.43 = 3,772.22/x
  3. Step 3: Cross multiply
    13,632.97x = 20,449.43 × 3,772.22
  4. Step 4: Simplify right side
    13,632.97x = 77,139,748.83
  5. Step 5: Solve for x
    x = 77,139,748.83/13,632.97
  6. Step 6: Final answer
    x = 5,658.32

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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.