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Finding the Fourth Proportional to 12,365.94, 18,573.30 and 10,625.16

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Solution

The fourth proportional to 12,365.94, 18,573.30 and 10,625.16 is: 15,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.94 : 18,573.30 = 10,625.16 : x
  2. Step 2: Convert to fraction form
    12,365.94/18,573.30 = 10,625.16/x
  3. Step 3: Cross multiply
    12,365.94x = 18,573.30 × 10,625.16
  4. Step 4: Simplify right side
    12,365.94x = 197,344,284.23
  5. Step 5: Solve for x
    x = 197,344,284.23/12,365.94
  6. Step 6: Final answer
    x = 15,958.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.