Home / 11,835.54-16,402.10-11,668.50

Finding the Fourth Proportional to 11,835.54, 16,402.10 and 11,668.50

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Solution

The fourth proportional to 11,835.54, 16,402.10 and 11,668.50 is: 16,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.54 : 16,402.10 = 11,668.50 : x
  2. Step 2: Convert to fraction form
    11,835.54/16,402.10 = 11,668.50/x
  3. Step 3: Cross multiply
    11,835.54x = 16,402.10 × 11,668.50
  4. Step 4: Simplify right side
    11,835.54x = 191,387,845.51
  5. Step 5: Solve for x
    x = 191,387,845.51/11,835.54
  6. Step 6: Final answer
    x = 16,170.61

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.