Home / 14,577.75-20,120.94-8,293.77

Finding the Fourth Proportional to 14,577.75, 20,120.94 and 8,293.77

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Solution

The fourth proportional to 14,577.75, 20,120.94 and 8,293.77 is: 11,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.75 : 20,120.94 = 8,293.77 : x
  2. Step 2: Convert to fraction form
    14,577.75/20,120.94 = 8,293.77/x
  3. Step 3: Cross multiply
    14,577.75x = 20,120.94 × 8,293.77
  4. Step 4: Simplify right side
    14,577.75x = 166,878,448.54
  5. Step 5: Solve for x
    x = 166,878,448.54/14,577.75
  6. Step 6: Final answer
    x = 11,447.48

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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.