Home / 22,308.33-30,785.10-12,236.85

Finding the Fourth Proportional to 22,308.33, 30,785.10 and 12,236.85

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Solution

The fourth proportional to 22,308.33, 30,785.10 and 12,236.85 is: 16,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.33 : 30,785.10 = 12,236.85 : x
  2. Step 2: Convert to fraction form
    22,308.33/30,785.10 = 12,236.85/x
  3. Step 3: Cross multiply
    22,308.33x = 30,785.10 × 12,236.85
  4. Step 4: Simplify right side
    22,308.33x = 376,712,650.94
  5. Step 5: Solve for x
    x = 376,712,650.94/22,308.33
  6. Step 6: Final answer
    x = 16,886.64

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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.