Home / 23,240.28-34,849.49-8,438.75

Finding the Fourth Proportional to 23,240.28, 34,849.49 and 8,438.75

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Solution

The fourth proportional to 23,240.28, 34,849.49 and 8,438.75 is: 12,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,240.28 : 34,849.49 = 8,438.75 : x
  2. Step 2: Convert to fraction form
    23,240.28/34,849.49 = 8,438.75/x
  3. Step 3: Cross multiply
    23,240.28x = 34,849.49 × 8,438.75
  4. Step 4: Simplify right side
    23,240.28x = 294,085,917.30
  5. Step 5: Solve for x
    x = 294,085,917.30/23,240.28
  6. Step 6: Final answer
    x = 12,654.15

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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.