Home / 16,817.29-25,242.44-12,831.48

Finding the Fourth Proportional to 16,817.29, 25,242.44 and 12,831.48

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Solution

The fourth proportional to 16,817.29, 25,242.44 and 12,831.48 is: 19,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.29 : 25,242.44 = 12,831.48 : x
  2. Step 2: Convert to fraction form
    16,817.29/25,242.44 = 12,831.48/x
  3. Step 3: Cross multiply
    16,817.29x = 25,242.44 × 12,831.48
  4. Step 4: Simplify right side
    16,817.29x = 323,897,799.85
  5. Step 5: Solve for x
    x = 323,897,799.85/16,817.29
  6. Step 6: Final answer
    x = 19,259.81

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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.