Home / 14,933.30-20,608.55-8,219.43

Finding the Fourth Proportional to 14,933.30, 20,608.55 and 8,219.43

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Solution

The fourth proportional to 14,933.30, 20,608.55 and 8,219.43 is: 11,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.30 : 20,608.55 = 8,219.43 : x
  2. Step 2: Convert to fraction form
    14,933.30/20,608.55 = 8,219.43/x
  3. Step 3: Cross multiply
    14,933.30x = 20,608.55 × 8,219.43
  4. Step 4: Simplify right side
    14,933.30x = 169,390,493.03
  5. Step 5: Solve for x
    x = 169,390,493.03/14,933.30
  6. Step 6: Final answer
    x = 11,343.14

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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.