Home / 21,536.14-29,701.37-13,975.02

Finding the Fourth Proportional to 21,536.14, 29,701.37 and 13,975.02

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Solution

The fourth proportional to 21,536.14, 29,701.37 and 13,975.02 is: 19,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.14 : 29,701.37 = 13,975.02 : x
  2. Step 2: Convert to fraction form
    21,536.14/29,701.37 = 13,975.02/x
  3. Step 3: Cross multiply
    21,536.14x = 29,701.37 × 13,975.02
  4. Step 4: Simplify right side
    21,536.14x = 415,077,239.78
  5. Step 5: Solve for x
    x = 415,077,239.78/21,536.14
  6. Step 6: Final answer
    x = 19,273.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.