Home / 19,973.36-29,961.72-6,826.64

Finding the Fourth Proportional to 19,973.36, 29,961.72 and 6,826.64

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Solution

The fourth proportional to 19,973.36, 29,961.72 and 6,826.64 is: 10,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.36 : 29,961.72 = 6,826.64 : x
  2. Step 2: Convert to fraction form
    19,973.36/29,961.72 = 6,826.64/x
  3. Step 3: Cross multiply
    19,973.36x = 29,961.72 × 6,826.64
  4. Step 4: Simplify right side
    19,973.36x = 204,537,876.22
  5. Step 5: Solve for x
    x = 204,537,876.22/19,973.36
  6. Step 6: Final answer
    x = 10,240.53

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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.