Home / 17,049.28-25,539.72-13,545.04

Finding the Fourth Proportional to 17,049.28, 25,539.72 and 13,545.04

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Solution

The fourth proportional to 17,049.28, 25,539.72 and 13,545.04 is: 20,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,049.28 : 25,539.72 = 13,545.04 : x
  2. Step 2: Convert to fraction form
    17,049.28/25,539.72 = 13,545.04/x
  3. Step 3: Cross multiply
    17,049.28x = 25,539.72 × 13,545.04
  4. Step 4: Simplify right side
    17,049.28x = 345,936,528.99
  5. Step 5: Solve for x
    x = 345,936,528.99/17,049.28
  6. Step 6: Final answer
    x = 20,290.39

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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.