Home / 14,245.08-21,367.55-3,856.83

Finding the Fourth Proportional to 14,245.08, 21,367.55 and 3,856.83

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Solution

The fourth proportional to 14,245.08, 21,367.55 and 3,856.83 is: 5,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.08 : 21,367.55 = 3,856.83 : x
  2. Step 2: Convert to fraction form
    14,245.08/21,367.55 = 3,856.83/x
  3. Step 3: Cross multiply
    14,245.08x = 21,367.55 × 3,856.83
  4. Step 4: Simplify right side
    14,245.08x = 82,410,988.58
  5. Step 5: Solve for x
    x = 82,410,988.58/14,245.08
  6. Step 6: Final answer
    x = 5,785.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.