Home / 14,556.88-20,083.80-8,590.54

Finding the Fourth Proportional to 14,556.88, 20,083.80 and 8,590.54

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Solution

The fourth proportional to 14,556.88, 20,083.80 and 8,590.54 is: 11,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.88 : 20,083.80 = 8,590.54 : x
  2. Step 2: Convert to fraction form
    14,556.88/20,083.80 = 8,590.54/x
  3. Step 3: Cross multiply
    14,556.88x = 20,083.80 × 8,590.54
  4. Step 4: Simplify right side
    14,556.88x = 172,530,687.25
  5. Step 5: Solve for x
    x = 172,530,687.25/14,556.88
  6. Step 6: Final answer
    x = 11,852.17

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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.