Home / 14,490.45-21,735.68-4,102.29

Finding the Fourth Proportional to 14,490.45, 21,735.68 and 4,102.29

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Solution

The fourth proportional to 14,490.45, 21,735.68 and 4,102.29 is: 6,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.45 : 21,735.68 = 4,102.29 : x
  2. Step 2: Convert to fraction form
    14,490.45/21,735.68 = 4,102.29/x
  3. Step 3: Cross multiply
    14,490.45x = 21,735.68 × 4,102.29
  4. Step 4: Simplify right side
    14,490.45x = 89,166,042.20
  5. Step 5: Solve for x
    x = 89,166,042.20/14,490.45
  6. Step 6: Final answer
    x = 6,153.44

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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.