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Finding the Fourth Proportional to 18,967.64, 26,175.30 and 11,014.52

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Solution

The fourth proportional to 18,967.64, 26,175.30 and 11,014.52 is: 15,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.64 : 26,175.30 = 11,014.52 : x
  2. Step 2: Convert to fraction form
    18,967.64/26,175.30 = 11,014.52/x
  3. Step 3: Cross multiply
    18,967.64x = 26,175.30 × 11,014.52
  4. Step 4: Simplify right side
    18,967.64x = 288,308,365.36
  5. Step 5: Solve for x
    x = 288,308,365.36/18,967.64
  6. Step 6: Final answer
    x = 15,200.01

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Why These Related Problems?

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