Home / 19,623.64-27,086.46-11,245.72

Finding the Fourth Proportional to 19,623.64, 27,086.46 and 11,245.72

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Solution

The fourth proportional to 19,623.64, 27,086.46 and 11,245.72 is: 15,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.64 : 27,086.46 = 11,245.72 : x
  2. Step 2: Convert to fraction form
    19,623.64/27,086.46 = 11,245.72/x
  3. Step 3: Cross multiply
    19,623.64x = 27,086.46 × 11,245.72
  4. Step 4: Simplify right side
    19,623.64x = 304,606,744.95
  5. Step 5: Solve for x
    x = 304,606,744.95/19,623.64
  6. Step 6: Final answer
    x = 15,522.44

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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.