Home / 18,596.20-27,872.70-7,497.40

Finding the Fourth Proportional to 18,596.20, 27,872.70 and 7,497.40

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Solution

The fourth proportional to 18,596.20, 27,872.70 and 7,497.40 is: 11,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.20 : 27,872.70 = 7,497.40 : x
  2. Step 2: Convert to fraction form
    18,596.20/27,872.70 = 7,497.40/x
  3. Step 3: Cross multiply
    18,596.20x = 27,872.70 × 7,497.40
  4. Step 4: Simplify right side
    18,596.20x = 208,972,780.98
  5. Step 5: Solve for x
    x = 208,972,780.98/18,596.20
  6. Step 6: Final answer
    x = 11,237.39

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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.