Home / 22,165.99-33,211.40-13,382.45

Finding the Fourth Proportional to 22,165.99, 33,211.40 and 13,382.45

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Solution

The fourth proportional to 22,165.99, 33,211.40 and 13,382.45 is: 20,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.99 : 33,211.40 = 13,382.45 : x
  2. Step 2: Convert to fraction form
    22,165.99/33,211.40 = 13,382.45/x
  3. Step 3: Cross multiply
    22,165.99x = 33,211.40 × 13,382.45
  4. Step 4: Simplify right side
    22,165.99x = 444,449,899.93
  5. Step 5: Solve for x
    x = 444,449,899.93/22,165.99
  6. Step 6: Final answer
    x = 20,050.98

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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.