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Finding the Fourth Proportional to 18,193.26, 27,304.60 and 9,430.68

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Solution

The fourth proportional to 18,193.26, 27,304.60 and 9,430.68 is: 14,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.26 : 27,304.60 = 9,430.68 : x
  2. Step 2: Convert to fraction form
    18,193.26/27,304.60 = 9,430.68/x
  3. Step 3: Cross multiply
    18,193.26x = 27,304.60 × 9,430.68
  4. Step 4: Simplify right side
    18,193.26x = 257,500,945.13
  5. Step 5: Solve for x
    x = 257,500,945.13/18,193.26
  6. Step 6: Final answer
    x = 14,153.65

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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.