Home / 13,582.23-20,379.18-7,346.62

Finding the Fourth Proportional to 13,582.23, 20,379.18 and 7,346.62

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Solution

The fourth proportional to 13,582.23, 20,379.18 and 7,346.62 is: 11,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.23 : 20,379.18 = 7,346.62 : x
  2. Step 2: Convert to fraction form
    13,582.23/20,379.18 = 7,346.62/x
  3. Step 3: Cross multiply
    13,582.23x = 20,379.18 × 7,346.62
  4. Step 4: Simplify right side
    13,582.23x = 149,718,144.40
  5. Step 5: Solve for x
    x = 149,718,144.40/13,582.23
  6. Step 6: Final answer
    x = 11,023.09

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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.