Home / 18,202.20-25,119.24-10,646.88

Finding the Fourth Proportional to 18,202.20, 25,119.24 and 10,646.88

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Solution

The fourth proportional to 18,202.20, 25,119.24 and 10,646.88 is: 14,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.20 : 25,119.24 = 10,646.88 : x
  2. Step 2: Convert to fraction form
    18,202.20/25,119.24 = 10,646.88/x
  3. Step 3: Cross multiply
    18,202.20x = 25,119.24 × 10,646.88
  4. Step 4: Simplify right side
    18,202.20x = 267,441,533.97
  5. Step 5: Solve for x
    x = 267,441,533.97/18,202.20
  6. Step 6: Final answer
    x = 14,692.81

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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.