Home / 14,125.35-21,188.84-4,265.63

Finding the Fourth Proportional to 14,125.35, 21,188.84 and 4,265.63

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Solution

The fourth proportional to 14,125.35, 21,188.84 and 4,265.63 is: 6,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.35 : 21,188.84 = 4,265.63 : x
  2. Step 2: Convert to fraction form
    14,125.35/21,188.84 = 4,265.63/x
  3. Step 3: Cross multiply
    14,125.35x = 21,188.84 × 4,265.63
  4. Step 4: Simplify right side
    14,125.35x = 90,383,624.30
  5. Step 5: Solve for x
    x = 90,383,624.30/14,125.35
  6. Step 6: Final answer
    x = 6,398.68

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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.