Home / 14,618.62-20,173.73-8,331.02

Finding the Fourth Proportional to 14,618.62, 20,173.73 and 8,331.02

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Solution

The fourth proportional to 14,618.62, 20,173.73 and 8,331.02 is: 11,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.62 : 20,173.73 = 8,331.02 : x
  2. Step 2: Convert to fraction form
    14,618.62/20,173.73 = 8,331.02/x
  3. Step 3: Cross multiply
    14,618.62x = 20,173.73 × 8,331.02
  4. Step 4: Simplify right side
    14,618.62x = 168,067,748.10
  5. Step 5: Solve for x
    x = 168,067,748.10/14,618.62
  6. Step 6: Final answer
    x = 11,496.83

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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.