Home / 19,675.02-27,150.66-11,177.12

Finding the Fourth Proportional to 19,675.02, 27,150.66 and 11,177.12

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Solution

The fourth proportional to 19,675.02, 27,150.66 and 11,177.12 is: 15,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.02 : 27,150.66 = 11,177.12 : x
  2. Step 2: Convert to fraction form
    19,675.02/27,150.66 = 11,177.12/x
  3. Step 3: Cross multiply
    19,675.02x = 27,150.66 × 11,177.12
  4. Step 4: Simplify right side
    19,675.02x = 303,466,049.15
  5. Step 5: Solve for x
    x = 303,466,049.15/19,675.02
  6. Step 6: Final answer
    x = 15,423.93

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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.