Home / 18,025.71-27,043.42-16,290.69

Finding the Fourth Proportional to 18,025.71, 27,043.42 and 16,290.69

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Solution

The fourth proportional to 18,025.71, 27,043.42 and 16,290.69 is: 24,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.71 : 27,043.42 = 16,290.69 : x
  2. Step 2: Convert to fraction form
    18,025.71/27,043.42 = 16,290.69/x
  3. Step 3: Cross multiply
    18,025.71x = 27,043.42 × 16,290.69
  4. Step 4: Simplify right side
    18,025.71x = 440,555,971.76
  5. Step 5: Solve for x
    x = 440,555,971.76/18,025.71
  6. Step 6: Final answer
    x = 24,440.42

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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.