Home / 14,591.22-20,137.05-11,218.38

Finding the Fourth Proportional to 14,591.22, 20,137.05 and 11,218.38

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Solution

The fourth proportional to 14,591.22, 20,137.05 and 11,218.38 is: 15,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.22 : 20,137.05 = 11,218.38 : x
  2. Step 2: Convert to fraction form
    14,591.22/20,137.05 = 11,218.38/x
  3. Step 3: Cross multiply
    14,591.22x = 20,137.05 × 11,218.38
  4. Step 4: Simplify right side
    14,591.22x = 225,905,078.98
  5. Step 5: Solve for x
    x = 225,905,078.98/14,591.22
  6. Step 6: Final answer
    x = 15,482.26

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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.