Home / 18,786.24-25,923.52-10,401.92

Finding the Fourth Proportional to 18,786.24, 25,923.52 and 10,401.92

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Solution

The fourth proportional to 18,786.24, 25,923.52 and 10,401.92 is: 14,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.24 : 25,923.52 = 10,401.92 : x
  2. Step 2: Convert to fraction form
    18,786.24/25,923.52 = 10,401.92/x
  3. Step 3: Cross multiply
    18,786.24x = 25,923.52 × 10,401.92
  4. Step 4: Simplify right side
    18,786.24x = 269,654,381.16
  5. Step 5: Solve for x
    x = 269,654,381.16/18,786.24
  6. Step 6: Final answer
    x = 14,353.82

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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.