Home / 18,964.38-28,446.58-6,484.52

Finding the Fourth Proportional to 18,964.38, 28,446.58 and 6,484.52

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Solution

The fourth proportional to 18,964.38, 28,446.58 and 6,484.52 is: 9,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.38 : 28,446.58 = 6,484.52 : x
  2. Step 2: Convert to fraction form
    18,964.38/28,446.58 = 6,484.52/x
  3. Step 3: Cross multiply
    18,964.38x = 28,446.58 × 6,484.52
  4. Step 4: Simplify right side
    18,964.38x = 184,462,416.94
  5. Step 5: Solve for x
    x = 184,462,416.94/18,964.38
  6. Step 6: Final answer
    x = 9,726.78

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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.