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Finding the Fourth Proportional to 18,253.25, 25,188.77 and 10,295.30

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Solution

The fourth proportional to 18,253.25, 25,188.77 and 10,295.30 is: 14,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.25 : 25,188.77 = 10,295.30 : x
  2. Step 2: Convert to fraction form
    18,253.25/25,188.77 = 10,295.30/x
  3. Step 3: Cross multiply
    18,253.25x = 25,188.77 × 10,295.30
  4. Step 4: Simplify right side
    18,253.25x = 259,326,032.49
  5. Step 5: Solve for x
    x = 259,326,032.49/18,253.25
  6. Step 6: Final answer
    x = 14,207.12

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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.