Home / 19,521.11-29,234.49-11,175.84

Finding the Fourth Proportional to 19,521.11, 29,234.49 and 11,175.84

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Solution

The fourth proportional to 19,521.11, 29,234.49 and 11,175.84 is: 16,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.11 : 29,234.49 = 11,175.84 : x
  2. Step 2: Convert to fraction form
    19,521.11/29,234.49 = 11,175.84/x
  3. Step 3: Cross multiply
    19,521.11x = 29,234.49 × 11,175.84
  4. Step 4: Simplify right side
    19,521.11x = 326,719,940.81
  5. Step 5: Solve for x
    x = 326,719,940.81/19,521.11
  6. Step 6: Final answer
    x = 16,736.75

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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.