Home / 20,133.98-30,065.38-16,443.53

Finding the Fourth Proportional to 20,133.98, 30,065.38 and 16,443.53

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Solution

The fourth proportional to 20,133.98, 30,065.38 and 16,443.53 is: 24,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.98 : 30,065.38 = 16,443.53 : x
  2. Step 2: Convert to fraction form
    20,133.98/30,065.38 = 16,443.53/x
  3. Step 3: Cross multiply
    20,133.98x = 30,065.38 × 16,443.53
  4. Step 4: Simplify right side
    20,133.98x = 494,380,977.99
  5. Step 5: Solve for x
    x = 494,380,977.99/20,133.98
  6. Step 6: Final answer
    x = 24,554.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.