Home / 18,037.20-24,899-10,965.88

Finding the Fourth Proportional to 18,037.20, 24,899 and 10,965.88

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Solution

The fourth proportional to 18,037.20, 24,899 and 10,965.88 is: 15,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.20 : 24,899 = 10,965.88 : x
  2. Step 2: Convert to fraction form
    18,037.20/24,899 = 10,965.88/x
  3. Step 3: Cross multiply
    18,037.20x = 24,899 × 10,965.88
  4. Step 4: Simplify right side
    18,037.20x = 273,039,446.12
  5. Step 5: Solve for x
    x = 273,039,446.12/18,037.20
  6. Step 6: Final answer
    x = 15,137.57

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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.