Home / 12,360.20-18,450.38-11,446.52

Finding the Fourth Proportional to 12,360.20, 18,450.38 and 11,446.52

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Solution

The fourth proportional to 12,360.20, 18,450.38 and 11,446.52 is: 17,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.20 : 18,450.38 = 11,446.52 : x
  2. Step 2: Convert to fraction form
    12,360.20/18,450.38 = 11,446.52/x
  3. Step 3: Cross multiply
    12,360.20x = 18,450.38 × 11,446.52
  4. Step 4: Simplify right side
    12,360.20x = 211,192,580.04
  5. Step 5: Solve for x
    x = 211,192,580.04/12,360.20
  6. Step 6: Final answer
    x = 17,086.51

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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.