Home / 18,427.02-27,640.53-4,576.02

Finding the Fourth Proportional to 18,427.02, 27,640.53 and 4,576.02

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Solution

The fourth proportional to 18,427.02, 27,640.53 and 4,576.02 is: 6,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.02 : 27,640.53 = 4,576.02 : x
  2. Step 2: Convert to fraction form
    18,427.02/27,640.53 = 4,576.02/x
  3. Step 3: Cross multiply
    18,427.02x = 27,640.53 × 4,576.02
  4. Step 4: Simplify right side
    18,427.02x = 126,483,618.09
  5. Step 5: Solve for x
    x = 126,483,618.09/18,427.02
  6. Step 6: Final answer
    x = 6,864.03

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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.