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Finding the Fourth Proportional to 18,394.01, 25,396.65 and 14,365.38

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Solution

The fourth proportional to 18,394.01, 25,396.65 and 14,365.38 is: 19,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.01 : 25,396.65 = 14,365.38 : x
  2. Step 2: Convert to fraction form
    18,394.01/25,396.65 = 14,365.38/x
  3. Step 3: Cross multiply
    18,394.01x = 25,396.65 × 14,365.38
  4. Step 4: Simplify right side
    18,394.01x = 364,832,527.98
  5. Step 5: Solve for x
    x = 364,832,527.98/18,394.01
  6. Step 6: Final answer
    x = 19,834.31

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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.