Home / 14,236.90-21,355.36-3,706.89

Finding the Fourth Proportional to 14,236.90, 21,355.36 and 3,706.89

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Solution

The fourth proportional to 14,236.90, 21,355.36 and 3,706.89 is: 5,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.90 : 21,355.36 = 3,706.89 : x
  2. Step 2: Convert to fraction form
    14,236.90/21,355.36 = 3,706.89/x
  3. Step 3: Cross multiply
    14,236.90x = 21,355.36 × 3,706.89
  4. Step 4: Simplify right side
    14,236.90x = 79,162,025.70
  5. Step 5: Solve for x
    x = 79,162,025.70/14,236.90
  6. Step 6: Final answer
    x = 5,560.34

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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.