Home / 14,057.28-21,085.92-3,669.04

Finding the Fourth Proportional to 14,057.28, 21,085.92 and 3,669.04

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Solution

The fourth proportional to 14,057.28, 21,085.92 and 3,669.04 is: 5,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.28 : 21,085.92 = 3,669.04 : x
  2. Step 2: Convert to fraction form
    14,057.28/21,085.92 = 3,669.04/x
  3. Step 3: Cross multiply
    14,057.28x = 21,085.92 × 3,669.04
  4. Step 4: Simplify right side
    14,057.28x = 77,365,083.92
  5. Step 5: Solve for x
    x = 77,365,083.92/14,057.28
  6. Step 6: Final answer
    x = 5,503.56

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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.