Home / 17,831.62-26,735.10-7,831.54

Finding the Fourth Proportional to 17,831.62, 26,735.10 and 7,831.54

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Solution

The fourth proportional to 17,831.62, 26,735.10 and 7,831.54 is: 11,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.62 : 26,735.10 = 7,831.54 : x
  2. Step 2: Convert to fraction form
    17,831.62/26,735.10 = 7,831.54/x
  3. Step 3: Cross multiply
    17,831.62x = 26,735.10 × 7,831.54
  4. Step 4: Simplify right side
    17,831.62x = 209,377,005.05
  5. Step 5: Solve for x
    x = 209,377,005.05/17,831.62
  6. Step 6: Final answer
    x = 11,741.89

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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.