Home / 14,662.20-20,217.79-10,892.36

Finding the Fourth Proportional to 14,662.20, 20,217.79 and 10,892.36

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Solution

The fourth proportional to 14,662.20, 20,217.79 and 10,892.36 is: 15,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.20 : 20,217.79 = 10,892.36 : x
  2. Step 2: Convert to fraction form
    14,662.20/20,217.79 = 10,892.36/x
  3. Step 3: Cross multiply
    14,662.20x = 20,217.79 × 10,892.36
  4. Step 4: Simplify right side
    14,662.20x = 220,219,511.24
  5. Step 5: Solve for x
    x = 220,219,511.24/14,662.20
  6. Step 6: Final answer
    x = 15,019.54

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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.