Home / 18,940.16-26,127.82-14,456.13

Finding the Fourth Proportional to 18,940.16, 26,127.82 and 14,456.13

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Solution

The fourth proportional to 18,940.16, 26,127.82 and 14,456.13 is: 19,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.16 : 26,127.82 = 14,456.13 : x
  2. Step 2: Convert to fraction form
    18,940.16/26,127.82 = 14,456.13/x
  3. Step 3: Cross multiply
    18,940.16x = 26,127.82 × 14,456.13
  4. Step 4: Simplify right side
    18,940.16x = 377,707,074.80
  5. Step 5: Solve for x
    x = 377,707,074.80/18,940.16
  6. Step 6: Final answer
    x = 19,942.12

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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.