Home / 14,961.46-20,645.94-8,586.58

Finding the Fourth Proportional to 14,961.46, 20,645.94 and 8,586.58

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Solution

The fourth proportional to 14,961.46, 20,645.94 and 8,586.58 is: 11,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.46 : 20,645.94 = 8,586.58 : x
  2. Step 2: Convert to fraction form
    14,961.46/20,645.94 = 8,586.58/x
  3. Step 3: Cross multiply
    14,961.46x = 20,645.94 × 8,586.58
  4. Step 4: Simplify right side
    14,961.46x = 177,278,015.49
  5. Step 5: Solve for x
    x = 177,278,015.49/14,961.46
  6. Step 6: Final answer
    x = 11,848.98

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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.