Home / 18,474.82-25,487.14-11,305.07

Finding the Fourth Proportional to 18,474.82, 25,487.14 and 11,305.07

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Solution

The fourth proportional to 18,474.82, 25,487.14 and 11,305.07 is: 15,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.82 : 25,487.14 = 11,305.07 : x
  2. Step 2: Convert to fraction form
    18,474.82/25,487.14 = 11,305.07/x
  3. Step 3: Cross multiply
    18,474.82x = 25,487.14 × 11,305.07
  4. Step 4: Simplify right side
    18,474.82x = 288,133,901.80
  5. Step 5: Solve for x
    x = 288,133,901.80/18,474.82
  6. Step 6: Final answer
    x = 15,596.03

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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.