Home / 18,625.69-25,705.80-11,553.19

Finding the Fourth Proportional to 18,625.69, 25,705.80 and 11,553.19

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Solution

The fourth proportional to 18,625.69, 25,705.80 and 11,553.19 is: 15,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.69 : 25,705.80 = 11,553.19 : x
  2. Step 2: Convert to fraction form
    18,625.69/25,705.80 = 11,553.19/x
  3. Step 3: Cross multiply
    18,625.69x = 25,705.80 × 11,553.19
  4. Step 4: Simplify right side
    18,625.69x = 296,983,991.50
  5. Step 5: Solve for x
    x = 296,983,991.50/18,625.69
  6. Step 6: Final answer
    x = 15,944.86

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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.