Home / 18,532.78-25,601.60-14,942.46

Finding the Fourth Proportional to 18,532.78, 25,601.60 and 14,942.46

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Solution

The fourth proportional to 18,532.78, 25,601.60 and 14,942.46 is: 20,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.78 : 25,601.60 = 14,942.46 : x
  2. Step 2: Convert to fraction form
    18,532.78/25,601.60 = 14,942.46/x
  3. Step 3: Cross multiply
    18,532.78x = 25,601.60 × 14,942.46
  4. Step 4: Simplify right side
    18,532.78x = 382,550,883.94
  5. Step 5: Solve for x
    x = 382,550,883.94/18,532.78
  6. Step 6: Final answer
    x = 20,641.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.