Home / 13,960.48-20,932.62-5,633.68

Finding the Fourth Proportional to 13,960.48, 20,932.62 and 5,633.68

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Solution

The fourth proportional to 13,960.48, 20,932.62 and 5,633.68 is: 8,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.48 : 20,932.62 = 5,633.68 : x
  2. Step 2: Convert to fraction form
    13,960.48/20,932.62 = 5,633.68/x
  3. Step 3: Cross multiply
    13,960.48x = 20,932.62 × 5,633.68
  4. Step 4: Simplify right side
    13,960.48x = 117,927,682.64
  5. Step 5: Solve for x
    x = 117,927,682.64/13,960.48
  6. Step 6: Final answer
    x = 8,447.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.