Home / 18,418.18-27,627.46-14,743.77

Finding the Fourth Proportional to 18,418.18, 27,627.46 and 14,743.77

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Solution

The fourth proportional to 18,418.18, 27,627.46 and 14,743.77 is: 22,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.18 : 27,627.46 = 14,743.77 : x
  2. Step 2: Convert to fraction form
    18,418.18/27,627.46 = 14,743.77/x
  3. Step 3: Cross multiply
    18,418.18x = 27,627.46 × 14,743.77
  4. Step 4: Simplify right side
    18,418.18x = 407,332,807.87
  5. Step 5: Solve for x
    x = 407,332,807.87/18,418.18
  6. Step 6: Final answer
    x = 22,115.80

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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.