Home / 25,674.75-38,513.52-8,145.99

Finding the Fourth Proportional to 25,674.75, 38,513.52 and 8,145.99

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Solution

The fourth proportional to 25,674.75, 38,513.52 and 8,145.99 is: 12,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.75 : 38,513.52 = 8,145.99 : x
  2. Step 2: Convert to fraction form
    25,674.75/38,513.52 = 8,145.99/x
  3. Step 3: Cross multiply
    25,674.75x = 38,513.52 × 8,145.99
  4. Step 4: Simplify right side
    25,674.75x = 313,730,748.78
  5. Step 5: Solve for x
    x = 313,730,748.78/25,674.75
  6. Step 6: Final answer
    x = 12,219.43

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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.