Home / 14,964.24-20,645.64-9,662.56

Finding the Fourth Proportional to 14,964.24, 20,645.64 and 9,662.56

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Solution

The fourth proportional to 14,964.24, 20,645.64 and 9,662.56 is: 13,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.24 : 20,645.64 = 9,662.56 : x
  2. Step 2: Convert to fraction form
    14,964.24/20,645.64 = 9,662.56/x
  3. Step 3: Cross multiply
    14,964.24x = 20,645.64 × 9,662.56
  4. Step 4: Simplify right side
    14,964.24x = 199,489,735.24
  5. Step 5: Solve for x
    x = 199,489,735.24/14,964.24
  6. Step 6: Final answer
    x = 13,331.10

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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.