Home / 18,997.41-28,501.84-5,670.83

Finding the Fourth Proportional to 18,997.41, 28,501.84 and 5,670.83

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Solution

The fourth proportional to 18,997.41, 28,501.84 and 5,670.83 is: 8,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.41 : 28,501.84 = 5,670.83 : x
  2. Step 2: Convert to fraction form
    18,997.41/28,501.84 = 5,670.83/x
  3. Step 3: Cross multiply
    18,997.41x = 28,501.84 × 5,670.83
  4. Step 4: Simplify right side
    18,997.41x = 161,629,089.33
  5. Step 5: Solve for x
    x = 161,629,089.33/18,997.41
  6. Step 6: Final answer
    x = 8,507.96

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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.