Home / 15,932.44-21,992.24-9,644.81

Finding the Fourth Proportional to 15,932.44, 21,992.24 and 9,644.81

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Solution

The fourth proportional to 15,932.44, 21,992.24 and 9,644.81 is: 13,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,932.44 : 21,992.24 = 9,644.81 : x
  2. Step 2: Convert to fraction form
    15,932.44/21,992.24 = 9,644.81/x
  3. Step 3: Cross multiply
    15,932.44x = 21,992.24 × 9,644.81
  4. Step 4: Simplify right side
    15,932.44x = 212,110,983.03
  5. Step 5: Solve for x
    x = 212,110,983.03/15,932.44
  6. Step 6: Final answer
    x = 13,313.15

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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.