Home / 13,633.08-20,438.24-11,873.76

Finding the Fourth Proportional to 13,633.08, 20,438.24 and 11,873.76

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Solution

The fourth proportional to 13,633.08, 20,438.24 and 11,873.76 is: 17,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.08 : 20,438.24 = 11,873.76 : x
  2. Step 2: Convert to fraction form
    13,633.08/20,438.24 = 11,873.76/x
  3. Step 3: Cross multiply
    13,633.08x = 20,438.24 × 11,873.76
  4. Step 4: Simplify right side
    13,633.08x = 242,678,756.58
  5. Step 5: Solve for x
    x = 242,678,756.58/13,633.08
  6. Step 6: Final answer
    x = 17,800.73

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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.