Home / 19,885.14-27,441.32-10,932.57

Finding the Fourth Proportional to 19,885.14, 27,441.32 and 10,932.57

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Solution

The fourth proportional to 19,885.14, 27,441.32 and 10,932.57 is: 15,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.14 : 27,441.32 = 10,932.57 : x
  2. Step 2: Convert to fraction form
    19,885.14/27,441.32 = 10,932.57/x
  3. Step 3: Cross multiply
    19,885.14x = 27,441.32 × 10,932.57
  4. Step 4: Simplify right side
    19,885.14x = 300,004,097.13
  5. Step 5: Solve for x
    x = 300,004,097.13/19,885.14
  6. Step 6: Final answer
    x = 15,086.85

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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.