Home / 18,359.55-25,334.44-10,401.75

Finding the Fourth Proportional to 18,359.55, 25,334.44 and 10,401.75

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Solution

The fourth proportional to 18,359.55, 25,334.44 and 10,401.75 is: 14,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.55 : 25,334.44 = 10,401.75 : x
  2. Step 2: Convert to fraction form
    18,359.55/25,334.44 = 10,401.75/x
  3. Step 3: Cross multiply
    18,359.55x = 25,334.44 × 10,401.75
  4. Step 4: Simplify right side
    18,359.55x = 263,522,485.27
  5. Step 5: Solve for x
    x = 263,522,485.27/18,359.55
  6. Step 6: Final answer
    x = 14,353.43

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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.