Home / 18,736.59-28,096.64-9,969.42

Finding the Fourth Proportional to 18,736.59, 28,096.64 and 9,969.42

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Solution

The fourth proportional to 18,736.59, 28,096.64 and 9,969.42 is: 14,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.59 : 28,096.64 = 9,969.42 : x
  2. Step 2: Convert to fraction form
    18,736.59/28,096.64 = 9,969.42/x
  3. Step 3: Cross multiply
    18,736.59x = 28,096.64 × 9,969.42
  4. Step 4: Simplify right side
    18,736.59x = 280,107,014.42
  5. Step 5: Solve for x
    x = 280,107,014.42/18,736.59
  6. Step 6: Final answer
    x = 14,949.74

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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.