Home / 18,401.45-25,393.03-10,446.23

Finding the Fourth Proportional to 18,401.45, 25,393.03 and 10,446.23

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Solution

The fourth proportional to 18,401.45, 25,393.03 and 10,446.23 is: 14,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.45 : 25,393.03 = 10,446.23 : x
  2. Step 2: Convert to fraction form
    18,401.45/25,393.03 = 10,446.23/x
  3. Step 3: Cross multiply
    18,401.45x = 25,393.03 × 10,446.23
  4. Step 4: Simplify right side
    18,401.45x = 265,261,469.14
  5. Step 5: Solve for x
    x = 265,261,469.14/18,401.45
  6. Step 6: Final answer
    x = 14,415.25

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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.