Home / 27,174.98-40,727.37-12,171.13

Finding the Fourth Proportional to 27,174.98, 40,727.37 and 12,171.13

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Solution

The fourth proportional to 27,174.98, 40,727.37 and 12,171.13 is: 18,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.98 : 40,727.37 = 12,171.13 : x
  2. Step 2: Convert to fraction form
    27,174.98/40,727.37 = 12,171.13/x
  3. Step 3: Cross multiply
    27,174.98x = 40,727.37 × 12,171.13
  4. Step 4: Simplify right side
    27,174.98x = 495,698,114.83
  5. Step 5: Solve for x
    x = 495,698,114.83/27,174.98
  6. Step 6: Final answer
    x = 18,240.98

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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.