Home / 13,452.99-18,552.11-8,976.93

Finding the Fourth Proportional to 13,452.99, 18,552.11 and 8,976.93

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Solution

The fourth proportional to 13,452.99, 18,552.11 and 8,976.93 is: 12,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.99 : 18,552.11 = 8,976.93 : x
  2. Step 2: Convert to fraction form
    13,452.99/18,552.11 = 8,976.93/x
  3. Step 3: Cross multiply
    13,452.99x = 18,552.11 × 8,976.93
  4. Step 4: Simplify right side
    13,452.99x = 166,540,947.94
  5. Step 5: Solve for x
    x = 166,540,947.94/13,452.99
  6. Step 6: Final answer
    x = 12,379.47

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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.