Home / 19,629.29-27,091.02-11,675.90

Finding the Fourth Proportional to 19,629.29, 27,091.02 and 11,675.90

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Solution

The fourth proportional to 19,629.29, 27,091.02 and 11,675.90 is: 16,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.29 : 27,091.02 = 11,675.90 : x
  2. Step 2: Convert to fraction form
    19,629.29/27,091.02 = 11,675.90/x
  3. Step 3: Cross multiply
    19,629.29x = 27,091.02 × 11,675.90
  4. Step 4: Simplify right side
    19,629.29x = 316,312,040.42
  5. Step 5: Solve for x
    x = 316,312,040.42/19,629.29
  6. Step 6: Final answer
    x = 16,114.29

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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.