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Finding the Fourth Proportional to 14,074.74, 19,400.76 and 11,085.84

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Solution

The fourth proportional to 14,074.74, 19,400.76 and 11,085.84 is: 15,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.74 : 19,400.76 = 11,085.84 : x
  2. Step 2: Convert to fraction form
    14,074.74/19,400.76 = 11,085.84/x
  3. Step 3: Cross multiply
    14,074.74x = 19,400.76 × 11,085.84
  4. Step 4: Simplify right side
    14,074.74x = 215,073,721.24
  5. Step 5: Solve for x
    x = 215,073,721.24/14,074.74
  6. Step 6: Final answer
    x = 15,280.83

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