Home / 14,635.82-20,197.74-8,665.31

Finding the Fourth Proportional to 14,635.82, 20,197.74 and 8,665.31

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Solution

The fourth proportional to 14,635.82, 20,197.74 and 8,665.31 is: 11,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.82 : 20,197.74 = 8,665.31 : x
  2. Step 2: Convert to fraction form
    14,635.82/20,197.74 = 8,665.31/x
  3. Step 3: Cross multiply
    14,635.82x = 20,197.74 × 8,665.31
  4. Step 4: Simplify right side
    14,635.82x = 175,019,678.40
  5. Step 5: Solve for x
    x = 175,019,678.40/14,635.82
  6. Step 6: Final answer
    x = 11,958.31

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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.