Home / 14,553.44-20,083.64-8,585.12

Finding the Fourth Proportional to 14,553.44, 20,083.64 and 8,585.12

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Solution

The fourth proportional to 14,553.44, 20,083.64 and 8,585.12 is: 11,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.44 : 20,083.64 = 8,585.12 : x
  2. Step 2: Convert to fraction form
    14,553.44/20,083.64 = 8,585.12/x
  3. Step 3: Cross multiply
    14,553.44x = 20,083.64 × 8,585.12
  4. Step 4: Simplify right side
    14,553.44x = 172,420,459.44
  5. Step 5: Solve for x
    x = 172,420,459.44/14,553.44
  6. Step 6: Final answer
    x = 11,847.40

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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.