Home / 27,982.60-41,985.03-13,192.54

Finding the Fourth Proportional to 27,982.60, 41,985.03 and 13,192.54

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Solution

The fourth proportional to 27,982.60, 41,985.03 and 13,192.54 is: 19,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.60 : 41,985.03 = 13,192.54 : x
  2. Step 2: Convert to fraction form
    27,982.60/41,985.03 = 13,192.54/x
  3. Step 3: Cross multiply
    27,982.60x = 41,985.03 × 13,192.54
  4. Step 4: Simplify right side
    27,982.60x = 553,889,132.19
  5. Step 5: Solve for x
    x = 553,889,132.19/27,982.60
  6. Step 6: Final answer
    x = 19,794.06

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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.