Home / 18,200.28-25,116.12-10,241.88

Finding the Fourth Proportional to 18,200.28, 25,116.12 and 10,241.88

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Solution

The fourth proportional to 18,200.28, 25,116.12 and 10,241.88 is: 14,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.28 : 25,116.12 = 10,241.88 : x
  2. Step 2: Convert to fraction form
    18,200.28/25,116.12 = 10,241.88/x
  3. Step 3: Cross multiply
    18,200.28x = 25,116.12 × 10,241.88
  4. Step 4: Simplify right side
    18,200.28x = 257,236,287.11
  5. Step 5: Solve for x
    x = 257,236,287.11/18,200.28
  6. Step 6: Final answer
    x = 14,133.64

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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.