Home / 11,823.60-17,719.20-9,636.60

Finding the Fourth Proportional to 11,823.60, 17,719.20 and 9,636.60

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Solution

The fourth proportional to 11,823.60, 17,719.20 and 9,636.60 is: 14,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.60 : 17,719.20 = 9,636.60 : x
  2. Step 2: Convert to fraction form
    11,823.60/17,719.20 = 9,636.60/x
  3. Step 3: Cross multiply
    11,823.60x = 17,719.20 × 9,636.60
  4. Step 4: Simplify right side
    11,823.60x = 170,752,842.72
  5. Step 5: Solve for x
    x = 170,752,842.72/11,823.60
  6. Step 6: Final answer
    x = 14,441.70

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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.