Home / 18,900.77-26,083.23-10,517.27

Finding the Fourth Proportional to 18,900.77, 26,083.23 and 10,517.27

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Solution

The fourth proportional to 18,900.77, 26,083.23 and 10,517.27 is: 14,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.77 : 26,083.23 = 10,517.27 : x
  2. Step 2: Convert to fraction form
    18,900.77/26,083.23 = 10,517.27/x
  3. Step 3: Cross multiply
    18,900.77x = 26,083.23 × 10,517.27
  4. Step 4: Simplify right side
    18,900.77x = 274,324,372.38
  5. Step 5: Solve for x
    x = 274,324,372.38/18,900.77
  6. Step 6: Final answer
    x = 14,513.93

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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.