Home / 18,196.20-25,109.38-10,236.88

Finding the Fourth Proportional to 18,196.20, 25,109.38 and 10,236.88

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Solution

The fourth proportional to 18,196.20, 25,109.38 and 10,236.88 is: 14,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.20 : 25,109.38 = 10,236.88 : x
  2. Step 2: Convert to fraction form
    18,196.20/25,109.38 = 10,236.88/x
  3. Step 3: Cross multiply
    18,196.20x = 25,109.38 × 10,236.88
  4. Step 4: Simplify right side
    18,196.20x = 257,041,709.93
  5. Step 5: Solve for x
    x = 257,041,709.93/18,196.20
  6. Step 6: Final answer
    x = 14,126.12

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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.