Home / 21,768.96-32,645.76-9,450.24

Finding the Fourth Proportional to 21,768.96, 32,645.76 and 9,450.24

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Solution

The fourth proportional to 21,768.96, 32,645.76 and 9,450.24 is: 14,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.96 : 32,645.76 = 9,450.24 : x
  2. Step 2: Convert to fraction form
    21,768.96/32,645.76 = 9,450.24/x
  3. Step 3: Cross multiply
    21,768.96x = 32,645.76 × 9,450.24
  4. Step 4: Simplify right side
    21,768.96x = 308,510,266.98
  5. Step 5: Solve for x
    x = 308,510,266.98/21,768.96
  6. Step 6: Final answer
    x = 14,172.03

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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.