Home / 13,949.09-20,921.33-4,589.23

Finding the Fourth Proportional to 13,949.09, 20,921.33 and 4,589.23

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Solution

The fourth proportional to 13,949.09, 20,921.33 and 4,589.23 is: 6,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.09 : 20,921.33 = 4,589.23 : x
  2. Step 2: Convert to fraction form
    13,949.09/20,921.33 = 4,589.23/x
  3. Step 3: Cross multiply
    13,949.09x = 20,921.33 × 4,589.23
  4. Step 4: Simplify right side
    13,949.09x = 96,012,793.67
  5. Step 5: Solve for x
    x = 96,012,793.67/13,949.09
  6. Step 6: Final answer
    x = 6,883.08

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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.