Home / 18,583.14-25,636.14-11,865.36

Finding the Fourth Proportional to 18,583.14, 25,636.14 and 11,865.36

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Solution

The fourth proportional to 18,583.14, 25,636.14 and 11,865.36 is: 16,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.14 : 25,636.14 = 11,865.36 : x
  2. Step 2: Convert to fraction form
    18,583.14/25,636.14 = 11,865.36/x
  3. Step 3: Cross multiply
    18,583.14x = 25,636.14 × 11,865.36
  4. Step 4: Simplify right side
    18,583.14x = 304,182,030.11
  5. Step 5: Solve for x
    x = 304,182,030.11/18,583.14
  6. Step 6: Final answer
    x = 16,368.71

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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.