Home / 19,226.10-28,808.10-10,881.30

Finding the Fourth Proportional to 19,226.10, 28,808.10 and 10,881.30

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Solution

The fourth proportional to 19,226.10, 28,808.10 and 10,881.30 is: 16,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.10 : 28,808.10 = 10,881.30 : x
  2. Step 2: Convert to fraction form
    19,226.10/28,808.10 = 10,881.30/x
  3. Step 3: Cross multiply
    19,226.10x = 28,808.10 × 10,881.30
  4. Step 4: Simplify right side
    19,226.10x = 313,469,578.53
  5. Step 5: Solve for x
    x = 313,469,578.53/19,226.10
  6. Step 6: Final answer
    x = 16,304.38

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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.