Home / 12,963.24-19,445.58-3,729

Finding the Fourth Proportional to 12,963.24, 19,445.58 and 3,729

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Solution

The fourth proportional to 12,963.24, 19,445.58 and 3,729 is: 5,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.24 : 19,445.58 = 3,729 : x
  2. Step 2: Convert to fraction form
    12,963.24/19,445.58 = 3,729/x
  3. Step 3: Cross multiply
    12,963.24x = 19,445.58 × 3,729
  4. Step 4: Simplify right side
    12,963.24x = 72,512,567.82
  5. Step 5: Solve for x
    x = 72,512,567.82/12,963.24
  6. Step 6: Final answer
    x = 5,593.71

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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.