Home / 19,912.64-27,475.04-11,524.28

Finding the Fourth Proportional to 19,912.64, 27,475.04 and 11,524.28

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Solution

The fourth proportional to 19,912.64, 27,475.04 and 11,524.28 is: 15,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.64 : 27,475.04 = 11,524.28 : x
  2. Step 2: Convert to fraction form
    19,912.64/27,475.04 = 11,524.28/x
  3. Step 3: Cross multiply
    19,912.64x = 27,475.04 × 11,524.28
  4. Step 4: Simplify right side
    19,912.64x = 316,629,996.35
  5. Step 5: Solve for x
    x = 316,629,996.35/19,912.64
  6. Step 6: Final answer
    x = 15,900.96

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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.