Home / 18,548.42-27,827.08-5,400.90

Finding the Fourth Proportional to 18,548.42, 27,827.08 and 5,400.90

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Solution

The fourth proportional to 18,548.42, 27,827.08 and 5,400.90 is: 8,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.42 : 27,827.08 = 5,400.90 : x
  2. Step 2: Convert to fraction form
    18,548.42/27,827.08 = 5,400.90/x
  3. Step 3: Cross multiply
    18,548.42x = 27,827.08 × 5,400.90
  4. Step 4: Simplify right side
    18,548.42x = 150,291,262.87
  5. Step 5: Solve for x
    x = 150,291,262.87/18,548.42
  6. Step 6: Final answer
    x = 8,102.65

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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.