Home / 29,196.18-40,290.78-16,620.93

Finding the Fourth Proportional to 29,196.18, 40,290.78 and 16,620.93

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Solution

The fourth proportional to 29,196.18, 40,290.78 and 16,620.93 is: 22,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,196.18 : 40,290.78 = 16,620.93 : x
  2. Step 2: Convert to fraction form
    29,196.18/40,290.78 = 16,620.93/x
  3. Step 3: Cross multiply
    29,196.18x = 40,290.78 × 16,620.93
  4. Step 4: Simplify right side
    29,196.18x = 669,670,234.03
  5. Step 5: Solve for x
    x = 669,670,234.03/29,196.18
  6. Step 6: Final answer
    x = 22,936.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.