Home / 18,896.84-28,306.36-11,086.82

Finding the Fourth Proportional to 18,896.84, 28,306.36 and 11,086.82

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Solution

The fourth proportional to 18,896.84, 28,306.36 and 11,086.82 is: 16,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.84 : 28,306.36 = 11,086.82 : x
  2. Step 2: Convert to fraction form
    18,896.84/28,306.36 = 11,086.82/x
  3. Step 3: Cross multiply
    18,896.84x = 28,306.36 × 11,086.82
  4. Step 4: Simplify right side
    18,896.84x = 313,827,321.21
  5. Step 5: Solve for x
    x = 313,827,321.21/18,896.84
  6. Step 6: Final answer
    x = 16,607.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.