Home / 13,588.92-18,755.82-8,003.16

Finding the Fourth Proportional to 13,588.92, 18,755.82 and 8,003.16

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Solution

The fourth proportional to 13,588.92, 18,755.82 and 8,003.16 is: 11,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.92 : 18,755.82 = 8,003.16 : x
  2. Step 2: Convert to fraction form
    13,588.92/18,755.82 = 8,003.16/x
  3. Step 3: Cross multiply
    13,588.92x = 18,755.82 × 8,003.16
  4. Step 4: Simplify right side
    13,588.92x = 150,105,828.39
  5. Step 5: Solve for x
    x = 150,105,828.39/13,588.92
  6. Step 6: Final answer
    x = 11,046.19

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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.