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Finding the Fourth Proportional to 18,248.21, 25,191 and 10,693.49

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Solution

The fourth proportional to 18,248.21, 25,191 and 10,693.49 is: 14,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.21 : 25,191 = 10,693.49 : x
  2. Step 2: Convert to fraction form
    18,248.21/25,191 = 10,693.49/x
  3. Step 3: Cross multiply
    18,248.21x = 25,191 × 10,693.49
  4. Step 4: Simplify right side
    18,248.21x = 269,379,580.64
  5. Step 5: Solve for x
    x = 269,379,580.64/18,248.21
  6. Step 6: Final answer
    x = 14,761.98

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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.