Home / 25,936.96-38,909.04-8,401.12

Finding the Fourth Proportional to 25,936.96, 38,909.04 and 8,401.12

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Solution

The fourth proportional to 25,936.96, 38,909.04 and 8,401.12 is: 12,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,936.96 : 38,909.04 = 8,401.12 : x
  2. Step 2: Convert to fraction form
    25,936.96/38,909.04 = 8,401.12/x
  3. Step 3: Cross multiply
    25,936.96x = 38,909.04 × 8,401.12
  4. Step 4: Simplify right side
    25,936.96x = 326,879,514.12
  5. Step 5: Solve for x
    x = 326,879,514.12/25,936.96
  6. Step 6: Final answer
    x = 12,602.85

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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.