Home / 12,813.97-19,135.96-11,063.29

Finding the Fourth Proportional to 12,813.97, 19,135.96 and 11,063.29

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Solution

The fourth proportional to 12,813.97, 19,135.96 and 11,063.29 is: 16,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.97 : 19,135.96 = 11,063.29 : x
  2. Step 2: Convert to fraction form
    12,813.97/19,135.96 = 11,063.29/x
  3. Step 3: Cross multiply
    12,813.97x = 19,135.96 × 11,063.29
  4. Step 4: Simplify right side
    12,813.97x = 211,706,674.91
  5. Step 5: Solve for x
    x = 211,706,674.91/12,813.97
  6. Step 6: Final answer
    x = 16,521.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.