Home / 18,401.44-25,399.72-10,448.96

Finding the Fourth Proportional to 18,401.44, 25,399.72 and 10,448.96

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Solution

The fourth proportional to 18,401.44, 25,399.72 and 10,448.96 is: 14,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.44 : 25,399.72 = 10,448.96 : x
  2. Step 2: Convert to fraction form
    18,401.44/25,399.72 = 10,448.96/x
  3. Step 3: Cross multiply
    18,401.44x = 25,399.72 × 10,448.96
  4. Step 4: Simplify right side
    18,401.44x = 265,400,658.29
  5. Step 5: Solve for x
    x = 265,400,658.29/18,401.44
  6. Step 6: Final answer
    x = 14,422.82

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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.