Home / 18,944.96-28,421.50-5,796.88

Finding the Fourth Proportional to 18,944.96, 28,421.50 and 5,796.88

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Solution

The fourth proportional to 18,944.96, 28,421.50 and 5,796.88 is: 8,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.96 : 28,421.50 = 5,796.88 : x
  2. Step 2: Convert to fraction form
    18,944.96/28,421.50 = 5,796.88/x
  3. Step 3: Cross multiply
    18,944.96x = 28,421.50 × 5,796.88
  4. Step 4: Simplify right side
    18,944.96x = 164,756,024.92
  5. Step 5: Solve for x
    x = 164,756,024.92/18,944.96
  6. Step 6: Final answer
    x = 8,696.56

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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.