Home / 27,513.12-41,289.72-9,984.36

Finding the Fourth Proportional to 27,513.12, 41,289.72 and 9,984.36

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Solution

The fourth proportional to 27,513.12, 41,289.72 and 9,984.36 is: 14,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.12 : 41,289.72 = 9,984.36 : x
  2. Step 2: Convert to fraction form
    27,513.12/41,289.72 = 9,984.36/x
  3. Step 3: Cross multiply
    27,513.12x = 41,289.72 × 9,984.36
  4. Step 4: Simplify right side
    27,513.12x = 412,251,428.78
  5. Step 5: Solve for x
    x = 412,251,428.78/27,513.12
  6. Step 6: Final answer
    x = 14,983.81

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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.