Home / 18,549.47-27,824.25-5,402.16

Finding the Fourth Proportional to 18,549.47, 27,824.25 and 5,402.16

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Solution

The fourth proportional to 18,549.47, 27,824.25 and 5,402.16 is: 8,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.47 : 27,824.25 = 5,402.16 : x
  2. Step 2: Convert to fraction form
    18,549.47/27,824.25 = 5,402.16/x
  3. Step 3: Cross multiply
    18,549.47x = 27,824.25 × 5,402.16
  4. Step 4: Simplify right side
    18,549.47x = 150,311,050.38
  5. Step 5: Solve for x
    x = 150,311,050.38/18,549.47
  6. Step 6: Final answer
    x = 8,103.26

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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.