Home / 18,664.09-27,859.60-16,449.82

Finding the Fourth Proportional to 18,664.09, 27,859.60 and 16,449.82

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Solution

The fourth proportional to 18,664.09, 27,859.60 and 16,449.82 is: 24,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.09 : 27,859.60 = 16,449.82 : x
  2. Step 2: Convert to fraction form
    18,664.09/27,859.60 = 16,449.82/x
  3. Step 3: Cross multiply
    18,664.09x = 27,859.60 × 16,449.82
  4. Step 4: Simplify right side
    18,664.09x = 458,285,446.40
  5. Step 5: Solve for x
    x = 458,285,446.40/18,664.09
  6. Step 6: Final answer
    x = 24,554.40

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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.