Home / 19,682.64-27,179.00-16,877.81

Finding the Fourth Proportional to 19,682.64, 27,179.00 and 16,877.81

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Solution

The fourth proportional to 19,682.64, 27,179.00 and 16,877.81 is: 23,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.64 : 27,179.00 = 16,877.81 : x
  2. Step 2: Convert to fraction form
    19,682.64/27,179.00 = 16,877.81/x
  3. Step 3: Cross multiply
    19,682.64x = 27,179.00 × 16,877.81
  4. Step 4: Simplify right side
    19,682.64x = 458,722,108.13
  5. Step 5: Solve for x
    x = 458,722,108.13/19,682.64
  6. Step 6: Final answer
    x = 23,305.92

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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.