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Finding the Fourth Proportional to 18,980.27, 26,192.79 and 10,596.77

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Solution

The fourth proportional to 18,980.27, 26,192.79 and 10,596.77 is: 14,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980.27 : 26,192.79 = 10,596.77 : x
  2. Step 2: Convert to fraction form
    18,980.27/26,192.79 = 10,596.77/x
  3. Step 3: Cross multiply
    18,980.27x = 26,192.79 × 10,596.77
  4. Step 4: Simplify right side
    18,980.27x = 277,558,971.29
  5. Step 5: Solve for x
    x = 277,558,971.29/18,980.27
  6. Step 6: Final answer
    x = 14,623.55

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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.