Home / 18,548.99-27,828.08-5,401.47

Finding the Fourth Proportional to 18,548.99, 27,828.08 and 5,401.47

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Solution

The fourth proportional to 18,548.99, 27,828.08 and 5,401.47 is: 8,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.99 : 27,828.08 = 5,401.47 : x
  2. Step 2: Convert to fraction form
    18,548.99/27,828.08 = 5,401.47/x
  3. Step 3: Cross multiply
    18,548.99x = 27,828.08 × 5,401.47
  4. Step 4: Simplify right side
    18,548.99x = 150,312,512.27
  5. Step 5: Solve for x
    x = 150,312,512.27/18,548.99
  6. Step 6: Final answer
    x = 8,103.54

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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.