Home / 22,063.24-30,447.19-11,991.70

Finding the Fourth Proportional to 22,063.24, 30,447.19 and 11,991.70

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Solution

The fourth proportional to 22,063.24, 30,447.19 and 11,991.70 is: 16,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.24 : 30,447.19 = 11,991.70 : x
  2. Step 2: Convert to fraction form
    22,063.24/30,447.19 = 11,991.70/x
  3. Step 3: Cross multiply
    22,063.24x = 30,447.19 × 11,991.70
  4. Step 4: Simplify right side
    22,063.24x = 365,113,450.11
  5. Step 5: Solve for x
    x = 365,113,450.11/22,063.24
  6. Step 6: Final answer
    x = 16,548.50

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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.