Home / 18,212.40-27,320.99-6,366.37

Finding the Fourth Proportional to 18,212.40, 27,320.99 and 6,366.37

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Solution

The fourth proportional to 18,212.40, 27,320.99 and 6,366.37 is: 9,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.40 : 27,320.99 = 6,366.37 : x
  2. Step 2: Convert to fraction form
    18,212.40/27,320.99 = 6,366.37/x
  3. Step 3: Cross multiply
    18,212.40x = 27,320.99 × 6,366.37
  4. Step 4: Simplify right side
    18,212.40x = 173,935,531.11
  5. Step 5: Solve for x
    x = 173,935,531.11/18,212.40
  6. Step 6: Final answer
    x = 9,550.39

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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.