Home / 18,723.89-28,082.78-6,244.02

Finding the Fourth Proportional to 18,723.89, 28,082.78 and 6,244.02

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Solution

The fourth proportional to 18,723.89, 28,082.78 and 6,244.02 is: 9,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.89 : 28,082.78 = 6,244.02 : x
  2. Step 2: Convert to fraction form
    18,723.89/28,082.78 = 6,244.02/x
  3. Step 3: Cross multiply
    18,723.89x = 28,082.78 × 6,244.02
  4. Step 4: Simplify right side
    18,723.89x = 175,349,455.59
  5. Step 5: Solve for x
    x = 175,349,455.59/18,723.89
  6. Step 6: Final answer
    x = 9,365.01

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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.