Home / 21,733.56-29,993.05-12,173.85

Finding the Fourth Proportional to 21,733.56, 29,993.05 and 12,173.85

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Solution

The fourth proportional to 21,733.56, 29,993.05 and 12,173.85 is: 16,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733.56 : 29,993.05 = 12,173.85 : x
  2. Step 2: Convert to fraction form
    21,733.56/29,993.05 = 12,173.85/x
  3. Step 3: Cross multiply
    21,733.56x = 29,993.05 × 12,173.85
  4. Step 4: Simplify right side
    21,733.56x = 365,130,905.86
  5. Step 5: Solve for x
    x = 365,130,905.86/21,733.56
  6. Step 6: Final answer
    x = 16,800.33

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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.