Home / 19,958.99-27,546.66-12,005.60

Finding the Fourth Proportional to 19,958.99, 27,546.66 and 12,005.60

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Solution

The fourth proportional to 19,958.99, 27,546.66 and 12,005.60 is: 16,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.99 : 27,546.66 = 12,005.60 : x
  2. Step 2: Convert to fraction form
    19,958.99/27,546.66 = 12,005.60/x
  3. Step 3: Cross multiply
    19,958.99x = 27,546.66 × 12,005.60
  4. Step 4: Simplify right side
    19,958.99x = 330,714,043.56
  5. Step 5: Solve for x
    x = 330,714,043.56/19,958.99
  6. Step 6: Final answer
    x = 16,569.68

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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.