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Finding the Fourth Proportional to 19,203.59, 26,495.44 and 12,499.09

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Solution

The fourth proportional to 19,203.59, 26,495.44 and 12,499.09 is: 17,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.59 : 26,495.44 = 12,499.09 : x
  2. Step 2: Convert to fraction form
    19,203.59/26,495.44 = 12,499.09/x
  3. Step 3: Cross multiply
    19,203.59x = 26,495.44 × 12,499.09
  4. Step 4: Simplify right side
    19,203.59x = 331,168,791.66
  5. Step 5: Solve for x
    x = 331,168,791.66/19,203.59
  6. Step 6: Final answer
    x = 17,245.15

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1.5x scale

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.