Home / 13,633.17-20,449.71-3,772.38

Finding the Fourth Proportional to 13,633.17, 20,449.71 and 3,772.38

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Solution

The fourth proportional to 13,633.17, 20,449.71 and 3,772.38 is: 5,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.17 : 20,449.71 = 3,772.38 : x
  2. Step 2: Convert to fraction form
    13,633.17/20,449.71 = 3,772.38/x
  3. Step 3: Cross multiply
    13,633.17x = 20,449.71 × 3,772.38
  4. Step 4: Simplify right side
    13,633.17x = 77,144,077.01
  5. Step 5: Solve for x
    x = 77,144,077.01/13,633.17
  6. Step 6: Final answer
    x = 5,658.56

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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.