Home / 19,885.10-27,441.46-10,932.76

Finding the Fourth Proportional to 19,885.10, 27,441.46 and 10,932.76

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Solution

The fourth proportional to 19,885.10, 27,441.46 and 10,932.76 is: 15,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.10 : 27,441.46 = 10,932.76 : x
  2. Step 2: Convert to fraction form
    19,885.10/27,441.46 = 10,932.76/x
  3. Step 3: Cross multiply
    19,885.10x = 27,441.46 × 10,932.76
  4. Step 4: Simplify right side
    19,885.10x = 300,010,759.02
  5. Step 5: Solve for x
    x = 300,010,759.02/19,885.10
  6. Step 6: Final answer
    x = 15,087.21

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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.