Home / 18,240.16-27,359.20-5,092.54

Finding the Fourth Proportional to 18,240.16, 27,359.20 and 5,092.54

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Solution

The fourth proportional to 18,240.16, 27,359.20 and 5,092.54 is: 7,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.16 : 27,359.20 = 5,092.54 : x
  2. Step 2: Convert to fraction form
    18,240.16/27,359.20 = 5,092.54/x
  3. Step 3: Cross multiply
    18,240.16x = 27,359.20 × 5,092.54
  4. Step 4: Simplify right side
    18,240.16x = 139,327,820.37
  5. Step 5: Solve for x
    x = 139,327,820.37/18,240.16
  6. Step 6: Final answer
    x = 7,638.52

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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.