Home / 14,516.21-20,027.45-11,151.65

Finding the Fourth Proportional to 14,516.21, 20,027.45 and 11,151.65

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Solution

The fourth proportional to 14,516.21, 20,027.45 and 11,151.65 is: 15,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.21 : 20,027.45 = 11,151.65 : x
  2. Step 2: Convert to fraction form
    14,516.21/20,027.45 = 11,151.65/x
  3. Step 3: Cross multiply
    14,516.21x = 20,027.45 × 11,151.65
  4. Step 4: Simplify right side
    14,516.21x = 223,339,134.41
  5. Step 5: Solve for x
    x = 223,339,134.41/14,516.21
  6. Step 6: Final answer
    x = 15,385.50

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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.