Home / 28,991.98-43,482.83-13,193.33

Finding the Fourth Proportional to 28,991.98, 43,482.83 and 13,193.33

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Solution

The fourth proportional to 28,991.98, 43,482.83 and 13,193.33 is: 19,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.98 : 43,482.83 = 13,193.33 : x
  2. Step 2: Convert to fraction form
    28,991.98/43,482.83 = 13,193.33/x
  3. Step 3: Cross multiply
    28,991.98x = 43,482.83 × 13,193.33
  4. Step 4: Simplify right side
    28,991.98x = 573,683,286.73
  5. Step 5: Solve for x
    x = 573,683,286.73/28,991.98
  6. Step 6: Final answer
    x = 19,787.66

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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.