Home / 27,174.72-40,726.99-12,170.88

Finding the Fourth Proportional to 27,174.72, 40,726.99 and 12,170.88

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Solution

The fourth proportional to 27,174.72, 40,726.99 and 12,170.88 is: 18,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.72 : 40,726.99 = 12,170.88 : x
  2. Step 2: Convert to fraction form
    27,174.72/40,726.99 = 12,170.88/x
  3. Step 3: Cross multiply
    27,174.72x = 40,726.99 × 12,170.88
  4. Step 4: Simplify right side
    27,174.72x = 495,683,308.05
  5. Step 5: Solve for x
    x = 495,683,308.05/27,174.72
  6. Step 6: Final answer
    x = 18,240.60

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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.