Home / 18,886.49-28,304.21-7,193.33

Finding the Fourth Proportional to 18,886.49, 28,304.21 and 7,193.33

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Solution

The fourth proportional to 18,886.49, 28,304.21 and 7,193.33 is: 10,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.49 : 28,304.21 = 7,193.33 : x
  2. Step 2: Convert to fraction form
    18,886.49/28,304.21 = 7,193.33/x
  3. Step 3: Cross multiply
    18,886.49x = 28,304.21 × 7,193.33
  4. Step 4: Simplify right side
    18,886.49x = 203,601,611.66
  5. Step 5: Solve for x
    x = 203,601,611.66/18,886.49
  6. Step 6: Final answer
    x = 10,780.28

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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.