Home / 14,892.26-20,551.62-8,178.37

Finding the Fourth Proportional to 14,892.26, 20,551.62 and 8,178.37

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Solution

The fourth proportional to 14,892.26, 20,551.62 and 8,178.37 is: 11,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.26 : 20,551.62 = 8,178.37 : x
  2. Step 2: Convert to fraction form
    14,892.26/20,551.62 = 8,178.37/x
  3. Step 3: Cross multiply
    14,892.26x = 20,551.62 × 8,178.37
  4. Step 4: Simplify right side
    14,892.26x = 168,078,731.75
  5. Step 5: Solve for x
    x = 168,078,731.75/14,892.26
  6. Step 6: Final answer
    x = 11,286.32

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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.