Home / 22,019.94-32,982.12-13,560.66

Finding the Fourth Proportional to 22,019.94, 32,982.12 and 13,560.66

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Solution

The fourth proportional to 22,019.94, 32,982.12 and 13,560.66 is: 20,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.94 : 32,982.12 = 13,560.66 : x
  2. Step 2: Convert to fraction form
    22,019.94/32,982.12 = 13,560.66/x
  3. Step 3: Cross multiply
    22,019.94x = 32,982.12 × 13,560.66
  4. Step 4: Simplify right side
    22,019.94x = 447,259,315.40
  5. Step 5: Solve for x
    x = 447,259,315.40/22,019.94
  6. Step 6: Final answer
    x = 20,311.56

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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.