Home / 18,822.05-28,235.23-6,337.79

Finding the Fourth Proportional to 18,822.05, 28,235.23 and 6,337.79

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Solution

The fourth proportional to 18,822.05, 28,235.23 and 6,337.79 is: 9,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.05 : 28,235.23 = 6,337.79 : x
  2. Step 2: Convert to fraction form
    18,822.05/28,235.23 = 6,337.79/x
  3. Step 3: Cross multiply
    18,822.05x = 28,235.23 × 6,337.79
  4. Step 4: Simplify right side
    18,822.05x = 178,948,958.34
  5. Step 5: Solve for x
    x = 178,948,958.34/18,822.05
  6. Step 6: Final answer
    x = 9,507.41

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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.