Home / 18,379.02-25,371.68-10,822.94

Finding the Fourth Proportional to 18,379.02, 25,371.68 and 10,822.94

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Solution

The fourth proportional to 18,379.02, 25,371.68 and 10,822.94 is: 14,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.02 : 25,371.68 = 10,822.94 : x
  2. Step 2: Convert to fraction form
    18,379.02/25,371.68 = 10,822.94/x
  3. Step 3: Cross multiply
    18,379.02x = 25,371.68 × 10,822.94
  4. Step 4: Simplify right side
    18,379.02x = 274,595,989.37
  5. Step 5: Solve for x
    x = 274,595,989.37/18,379.02
  6. Step 6: Final answer
    x = 14,940.73

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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.