Home / 18,519.24-25,552.26-10,961.76

Finding the Fourth Proportional to 18,519.24, 25,552.26 and 10,961.76

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Solution

The fourth proportional to 18,519.24, 25,552.26 and 10,961.76 is: 15,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.24 : 25,552.26 = 10,961.76 : x
  2. Step 2: Convert to fraction form
    18,519.24/25,552.26 = 10,961.76/x
  3. Step 3: Cross multiply
    18,519.24x = 25,552.26 × 10,961.76
  4. Step 4: Simplify right side
    18,519.24x = 280,097,741.58
  5. Step 5: Solve for x
    x = 280,097,741.58/18,519.24
  6. Step 6: Final answer
    x = 15,124.69

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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.