Home / 27,687.20-41,502.45-13,625.60

Finding the Fourth Proportional to 27,687.20, 41,502.45 and 13,625.60

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Solution

The fourth proportional to 27,687.20, 41,502.45 and 13,625.60 is: 20,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.20 : 41,502.45 = 13,625.60 : x
  2. Step 2: Convert to fraction form
    27,687.20/41,502.45 = 13,625.60/x
  3. Step 3: Cross multiply
    27,687.20x = 41,502.45 × 13,625.60
  4. Step 4: Simplify right side
    27,687.20x = 565,495,782.72
  5. Step 5: Solve for x
    x = 565,495,782.72/27,687.20
  6. Step 6: Final answer
    x = 20,424.45

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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.