Home / 14,577.66-20,118.19-8,204.87

Finding the Fourth Proportional to 14,577.66, 20,118.19 and 8,204.87

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Solution

The fourth proportional to 14,577.66, 20,118.19 and 8,204.87 is: 11,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.66 : 20,118.19 = 8,204.87 : x
  2. Step 2: Convert to fraction form
    14,577.66/20,118.19 = 8,204.87/x
  3. Step 3: Cross multiply
    14,577.66x = 20,118.19 × 8,204.87
  4. Step 4: Simplify right side
    14,577.66x = 165,067,012.48
  5. Step 5: Solve for x
    x = 165,067,012.48/14,577.66
  6. Step 6: Final answer
    x = 11,323.29

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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.