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Finding the Fourth Proportional to 18,153.51, 25,051.86 and 10,196.25

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Solution

The fourth proportional to 18,153.51, 25,051.86 and 10,196.25 is: 14,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.51 : 25,051.86 = 10,196.25 : x
  2. Step 2: Convert to fraction form
    18,153.51/25,051.86 = 10,196.25/x
  3. Step 3: Cross multiply
    18,153.51x = 25,051.86 × 10,196.25
  4. Step 4: Simplify right side
    18,153.51x = 255,435,027.53
  5. Step 5: Solve for x
    x = 255,435,027.53/18,153.51
  6. Step 6: Final answer
    x = 14,070.83

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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.