Home / 18,387.46-25,197.94-16,615.99

Finding the Fourth Proportional to 18,387.46, 25,197.94 and 16,615.99

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Solution

The fourth proportional to 18,387.46, 25,197.94 and 16,615.99 is: 22,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.46 : 25,197.94 = 16,615.99 : x
  2. Step 2: Convert to fraction form
    18,387.46/25,197.94 = 16,615.99/x
  3. Step 3: Cross multiply
    18,387.46x = 25,197.94 × 16,615.99
  4. Step 4: Simplify right side
    18,387.46x = 418,688,536.12
  5. Step 5: Solve for x
    x = 418,688,536.12/18,387.46
  6. Step 6: Final answer
    x = 22,770.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.