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Finding the Fourth Proportional to 19,341.90, 26,693.55 and 11,380.14

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Solution

The fourth proportional to 19,341.90, 26,693.55 and 11,380.14 is: 15,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.90 : 26,693.55 = 11,380.14 : x
  2. Step 2: Convert to fraction form
    19,341.90/26,693.55 = 11,380.14/x
  3. Step 3: Cross multiply
    19,341.90x = 26,693.55 × 11,380.14
  4. Step 4: Simplify right side
    19,341.90x = 303,776,336.10
  5. Step 5: Solve for x
    x = 303,776,336.10/19,341.90
  6. Step 6: Final answer
    x = 15,705.61

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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.