Home / 18,548.47-27,822.75-5,401.16

Finding the Fourth Proportional to 18,548.47, 27,822.75 and 5,401.16

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Solution

The fourth proportional to 18,548.47, 27,822.75 and 5,401.16 is: 8,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.47 : 27,822.75 = 5,401.16 : x
  2. Step 2: Convert to fraction form
    18,548.47/27,822.75 = 5,401.16/x
  3. Step 3: Cross multiply
    18,548.47x = 27,822.75 × 5,401.16
  4. Step 4: Simplify right side
    18,548.47x = 150,275,124.39
  5. Step 5: Solve for x
    x = 150,275,124.39/18,548.47
  6. Step 6: Final answer
    x = 8,101.75

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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.