Home / 29,556.96-40,789.62-16,128.98

Finding the Fourth Proportional to 29,556.96, 40,789.62 and 16,128.98

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Solution

The fourth proportional to 29,556.96, 40,789.62 and 16,128.98 is: 22,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556.96 : 40,789.62 = 16,128.98 : x
  2. Step 2: Convert to fraction form
    29,556.96/40,789.62 = 16,128.98/x
  3. Step 3: Cross multiply
    29,556.96x = 40,789.62 × 16,128.98
  4. Step 4: Simplify right side
    29,556.96x = 657,894,965.19
  5. Step 5: Solve for x
    x = 657,894,965.19/29,556.96
  6. Step 6: Final answer
    x = 22,258.55

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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.