Home / 22,334.15-30,820.99-12,262.77

Finding the Fourth Proportional to 22,334.15, 30,820.99 and 12,262.77

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Solution

The fourth proportional to 22,334.15, 30,820.99 and 12,262.77 is: 16,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.15 : 30,820.99 = 12,262.77 : x
  2. Step 2: Convert to fraction form
    22,334.15/30,820.99 = 12,262.77/x
  3. Step 3: Cross multiply
    22,334.15x = 30,820.99 × 12,262.77
  4. Step 4: Simplify right side
    22,334.15x = 377,950,711.54
  5. Step 5: Solve for x
    x = 377,950,711.54/22,334.15
  6. Step 6: Final answer
    x = 16,922.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.