Home / 17,831.70-26,732.50-11,243.36

Finding the Fourth Proportional to 17,831.70, 26,732.50 and 11,243.36

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Solution

The fourth proportional to 17,831.70, 26,732.50 and 11,243.36 is: 16,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.70 : 26,732.50 = 11,243.36 : x
  2. Step 2: Convert to fraction form
    17,831.70/26,732.50 = 11,243.36/x
  3. Step 3: Cross multiply
    17,831.70x = 26,732.50 × 11,243.36
  4. Step 4: Simplify right side
    17,831.70x = 300,563,159.92
  5. Step 5: Solve for x
    x = 300,563,159.92/17,831.70
  6. Step 6: Final answer
    x = 16,855.55

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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.