Home / 15,074.88-22,612.68-8,878.38

Finding the Fourth Proportional to 15,074.88, 22,612.68 and 8,878.38

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Solution

The fourth proportional to 15,074.88, 22,612.68 and 8,878.38 is: 13,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.88 : 22,612.68 = 8,878.38 : x
  2. Step 2: Convert to fraction form
    15,074.88/22,612.68 = 8,878.38/x
  3. Step 3: Cross multiply
    15,074.88x = 22,612.68 × 8,878.38
  4. Step 4: Simplify right side
    15,074.88x = 200,763,965.86
  5. Step 5: Solve for x
    x = 200,763,965.86/15,074.88
  6. Step 6: Final answer
    x = 13,317.78

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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.