Home / 18,451.70-27,677.58-14,777.30

Finding the Fourth Proportional to 18,451.70, 27,677.58 and 14,777.30

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Solution

The fourth proportional to 18,451.70, 27,677.58 and 14,777.30 is: 22,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.70 : 27,677.58 = 14,777.30 : x
  2. Step 2: Convert to fraction form
    18,451.70/27,677.58 = 14,777.30/x
  3. Step 3: Cross multiply
    18,451.70x = 27,677.58 × 14,777.30
  4. Step 4: Simplify right side
    18,451.70x = 408,999,902.93
  5. Step 5: Solve for x
    x = 408,999,902.93/18,451.70
  6. Step 6: Final answer
    x = 22,165.97

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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.