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Finding the Fourth Proportional to 18,967.25, 26,174.81 and 10,583.75

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Solution

The fourth proportional to 18,967.25, 26,174.81 and 10,583.75 is: 14,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.25 : 26,174.81 = 10,583.75 : x
  2. Step 2: Convert to fraction form
    18,967.25/26,174.81 = 10,583.75/x
  3. Step 3: Cross multiply
    18,967.25x = 26,174.81 × 10,583.75
  4. Step 4: Simplify right side
    18,967.25x = 277,027,645.34
  5. Step 5: Solve for x
    x = 277,027,645.34/18,967.25
  6. Step 6: Final answer
    x = 14,605.58

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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.