Home / 13,936.39-20,897.66-5,051.36

Finding the Fourth Proportional to 13,936.39, 20,897.66 and 5,051.36

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Solution

The fourth proportional to 13,936.39, 20,897.66 and 5,051.36 is: 7,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.39 : 20,897.66 = 5,051.36 : x
  2. Step 2: Convert to fraction form
    13,936.39/20,897.66 = 5,051.36/x
  3. Step 3: Cross multiply
    13,936.39x = 20,897.66 × 5,051.36
  4. Step 4: Simplify right side
    13,936.39x = 105,561,647.38
  5. Step 5: Solve for x
    x = 105,561,647.38/13,936.39
  6. Step 6: Final answer
    x = 7,574.53

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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.