Home / 14,551.30-20,083.42-8,582.61

Finding the Fourth Proportional to 14,551.30, 20,083.42 and 8,582.61

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Solution

The fourth proportional to 14,551.30, 20,083.42 and 8,582.61 is: 11,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.30 : 20,083.42 = 8,582.61 : x
  2. Step 2: Convert to fraction form
    14,551.30/20,083.42 = 8,582.61/x
  3. Step 3: Cross multiply
    14,551.30x = 20,083.42 × 8,582.61
  4. Step 4: Simplify right side
    14,551.30x = 172,368,161.33
  5. Step 5: Solve for x
    x = 172,368,161.33/14,551.30
  6. Step 6: Final answer
    x = 11,845.55

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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.