Home / 28,450.50-42,664.34-11,799.22

Finding the Fourth Proportional to 28,450.50, 42,664.34 and 11,799.22

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Solution

The fourth proportional to 28,450.50, 42,664.34 and 11,799.22 is: 17,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.50 : 42,664.34 = 11,799.22 : x
  2. Step 2: Convert to fraction form
    28,450.50/42,664.34 = 11,799.22/x
  3. Step 3: Cross multiply
    28,450.50x = 42,664.34 × 11,799.22
  4. Step 4: Simplify right side
    28,450.50x = 503,405,933.81
  5. Step 5: Solve for x
    x = 503,405,933.81/28,450.50
  6. Step 6: Final answer
    x = 17,694.10

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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.