Home / 13,356.92-18,433.22-8,053.44

Finding the Fourth Proportional to 13,356.92, 18,433.22 and 8,053.44

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Solution

The fourth proportional to 13,356.92, 18,433.22 and 8,053.44 is: 11,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.92 : 18,433.22 = 8,053.44 : x
  2. Step 2: Convert to fraction form
    13,356.92/18,433.22 = 8,053.44/x
  3. Step 3: Cross multiply
    13,356.92x = 18,433.22 × 8,053.44
  4. Step 4: Simplify right side
    13,356.92x = 148,450,791.01
  5. Step 5: Solve for x
    x = 148,450,791.01/13,356.92
  6. Step 6: Final answer
    x = 11,114.15

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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.