Home / 19,306.96-26,632.20-11,842

Finding the Fourth Proportional to 19,306.96, 26,632.20 and 11,842

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Solution

The fourth proportional to 19,306.96, 26,632.20 and 11,842 is: 16,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.96 : 26,632.20 = 11,842 : x
  2. Step 2: Convert to fraction form
    19,306.96/26,632.20 = 11,842/x
  3. Step 3: Cross multiply
    19,306.96x = 26,632.20 × 11,842
  4. Step 4: Simplify right side
    19,306.96x = 315,378,512.40
  5. Step 5: Solve for x
    x = 315,378,512.40/19,306.96
  6. Step 6: Final answer
    x = 16,334.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.