Home / 18,940.77-26,128.65-14,456.74

Finding the Fourth Proportional to 18,940.77, 26,128.65 and 14,456.74

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Solution

The fourth proportional to 18,940.77, 26,128.65 and 14,456.74 is: 19,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.77 : 26,128.65 = 14,456.74 : x
  2. Step 2: Convert to fraction form
    18,940.77/26,128.65 = 14,456.74/x
  3. Step 3: Cross multiply
    18,940.77x = 26,128.65 × 14,456.74
  4. Step 4: Simplify right side
    18,940.77x = 377,735,099.60
  5. Step 5: Solve for x
    x = 377,735,099.60/18,940.77
  6. Step 6: Final answer
    x = 19,942.96

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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.