Home / 12,918.68-17,827.20-7,253.33

Finding the Fourth Proportional to 12,918.68, 17,827.20 and 7,253.33

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Solution

The fourth proportional to 12,918.68, 17,827.20 and 7,253.33 is: 10,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918.68 : 17,827.20 = 7,253.33 : x
  2. Step 2: Convert to fraction form
    12,918.68/17,827.20 = 7,253.33/x
  3. Step 3: Cross multiply
    12,918.68x = 17,827.20 × 7,253.33
  4. Step 4: Simplify right side
    12,918.68x = 129,306,609.14
  5. Step 5: Solve for x
    x = 129,306,609.14/12,918.68
  6. Step 6: Final answer
    x = 10,009.27

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