Home / 18,361.24-25,334.34-10,401.64

Finding the Fourth Proportional to 18,361.24, 25,334.34 and 10,401.64

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Solution

The fourth proportional to 18,361.24, 25,334.34 and 10,401.64 is: 14,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.24 : 25,334.34 = 10,401.64 : x
  2. Step 2: Convert to fraction form
    18,361.24/25,334.34 = 10,401.64/x
  3. Step 3: Cross multiply
    18,361.24x = 25,334.34 × 10,401.64
  4. Step 4: Simplify right side
    18,361.24x = 263,518,684.32
  5. Step 5: Solve for x
    x = 263,518,684.32/18,361.24
  6. Step 6: Final answer
    x = 14,351.90

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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.