Home / 18,179.83-27,270.08-5,699.57

Finding the Fourth Proportional to 18,179.83, 27,270.08 and 5,699.57

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Solution

The fourth proportional to 18,179.83, 27,270.08 and 5,699.57 is: 8,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.83 : 27,270.08 = 5,699.57 : x
  2. Step 2: Convert to fraction form
    18,179.83/27,270.08 = 5,699.57/x
  3. Step 3: Cross multiply
    18,179.83x = 27,270.08 × 5,699.57
  4. Step 4: Simplify right side
    18,179.83x = 155,427,824.50
  5. Step 5: Solve for x
    x = 155,427,824.50/18,179.83
  6. Step 6: Final answer
    x = 8,549.47

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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.