Home / 18,047.36-27,034.66-15,115.11

Finding the Fourth Proportional to 18,047.36, 27,034.66 and 15,115.11

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Solution

The fourth proportional to 18,047.36, 27,034.66 and 15,115.11 is: 22,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.36 : 27,034.66 = 15,115.11 : x
  2. Step 2: Convert to fraction form
    18,047.36/27,034.66 = 15,115.11/x
  3. Step 3: Cross multiply
    18,047.36x = 27,034.66 × 15,115.11
  4. Step 4: Simplify right side
    18,047.36x = 408,631,777.23
  5. Step 5: Solve for x
    x = 408,631,777.23/18,047.36
  6. Step 6: Final answer
    x = 22,642.20

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1.5x scale

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.