Home / 19,629.74-27,079.50-11,666.32

Finding the Fourth Proportional to 19,629.74, 27,079.50 and 11,666.32

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Solution

The fourth proportional to 19,629.74, 27,079.50 and 11,666.32 is: 16,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.74 : 27,079.50 = 11,666.32 : x
  2. Step 2: Convert to fraction form
    19,629.74/27,079.50 = 11,666.32/x
  3. Step 3: Cross multiply
    19,629.74x = 27,079.50 × 11,666.32
  4. Step 4: Simplify right side
    19,629.74x = 315,918,112.44
  5. Step 5: Solve for x
    x = 315,918,112.44/19,629.74
  6. Step 6: Final answer
    x = 16,093.85

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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.