Home / 22,329.21-30,814.19-12,257.82

Finding the Fourth Proportional to 22,329.21, 30,814.19 and 12,257.82

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Solution

The fourth proportional to 22,329.21, 30,814.19 and 12,257.82 is: 16,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.21 : 30,814.19 = 12,257.82 : x
  2. Step 2: Convert to fraction form
    22,329.21/30,814.19 = 12,257.82/x
  3. Step 3: Cross multiply
    22,329.21x = 30,814.19 × 12,257.82
  4. Step 4: Simplify right side
    22,329.21x = 377,714,733.18
  5. Step 5: Solve for x
    x = 377,714,733.18/22,329.21
  6. Step 6: Final answer
    x = 16,915.72

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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.