Home / 13,328.44-19,961.52-10,536.36

Finding the Fourth Proportional to 13,328.44, 19,961.52 and 10,536.36

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Solution

The fourth proportional to 13,328.44, 19,961.52 and 10,536.36 is: 15,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.44 : 19,961.52 = 10,536.36 : x
  2. Step 2: Convert to fraction form
    13,328.44/19,961.52 = 10,536.36/x
  3. Step 3: Cross multiply
    13,328.44x = 19,961.52 × 10,536.36
  4. Step 4: Simplify right side
    13,328.44x = 210,321,760.87
  5. Step 5: Solve for x
    x = 210,321,760.87/13,328.44
  6. Step 6: Final answer
    x = 15,779.92

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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.