Home / 18,062.02-27,049.02-12,499.75

Finding the Fourth Proportional to 18,062.02, 27,049.02 and 12,499.75

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Solution

The fourth proportional to 18,062.02, 27,049.02 and 12,499.75 is: 18,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.02 : 27,049.02 = 12,499.75 : x
  2. Step 2: Convert to fraction form
    18,062.02/27,049.02 = 12,499.75/x
  3. Step 3: Cross multiply
    18,062.02x = 27,049.02 × 12,499.75
  4. Step 4: Simplify right side
    18,062.02x = 338,105,987.75
  5. Step 5: Solve for x
    x = 338,105,987.75/18,062.02
  6. Step 6: Final answer
    x = 18,719.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.